7985485550 has 24 divisors (see below), whose sum is σ = 16974861456. Its totient is φ = 2737880640.

The previous prime is 7985485537. The next prime is 7985485561. The reversal of 7985485550 is 555845897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11407487 + ... + 11408186.

It is an arithmetic number, because the mean of its divisors is an integer number (707285894).

Almost surely, 2^7985485550 is an apocalyptic number.

7985485550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7985485550 is an abundant number, since it is smaller than the sum of its proper divisors (8989375906).

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

7985485550 is a wasteful number, since it uses less digits than its factorization.

7985485550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815692 (or 22815687 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 56.

The square root of 7985485550 is about 89361.5440220233. The cubic root of 7985485550 is about 1998.7897302713.

The spelling of 7985485550 in words is "seven billion, nine hundred eighty-five million, four hundred eighty-five thousand, five hundred fifty".