7713825390 has 96 divisors (see below), whose sum is σ = 21159290880. Its totient is φ = 1944347328.

The previous prime is 7713825389. The next prime is 7713825401. The reversal of 7713825390 is 935283177.

It is a happy number.

It is a super-3 number, since 3×7713825390³ (a number of 31 digits) contains 333 as substring.

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

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 47 ways as a sum of consecutive naturals, for example, 786859 + ... + 796601.

It is an arithmetic number, because the mean of its divisors is an integer number (220409280).

Almost surely, 2^7713825390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7713825390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10579645440).

7713825390 is an abundant number, since it is smaller than the sum of its proper divisors (13445465490).

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

7713825390 is a wasteful number, since it uses less digits than its factorization.

7713825390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238 (or 10235 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 7713825390 is about 87828.3860150009. The cubic root of 7713825390 is about 1975.8619654693.

The spelling of 7713825390 in words is "seven billion, seven hundred thirteen million, eight hundred twenty-five thousand, three hundred ninety".