7963505550 has 768 divisors, whose sum is σ = 30238064640. Its totient is φ = 1487808000.

The previous prime is 7963505509. The next prime is 7963505581. The reversal of 7963505550 is 555053697.

7963505550 is a `hidden beast` number, since 7 + 9 + 635 + 0 + 5 + 5 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7963505496 and 7963505505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 95945809 + ... + 95945891.

It is an arithmetic number, because the mean of its divisors is an integer number (39372480).

Almost surely, 2^7963505550 is an apocalyptic number.

7963505550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7963505550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15119032320).

7963505550 is an abundant number, since it is smaller than the sum of its proper divisors (22274559090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7963505550 is a wasteful number, since it uses less digits than its factorization.

7963505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 708750, while the sum is 45.

The square root of 7963505550 is about 89238.4757265609. The cubic root of 7963505550 is about 1996.9541596162.

The spelling of 7963505550 in words is "seven billion, nine hundred sixty-three million, five hundred five thousand, five hundred fifty".