7925879808 has 880 divisors, whose sum is σ = 31672232064. Its totient is φ = 1911029760.

The previous prime is 7925879761. The next prime is 7925879851. The reversal of 7925879808 is 8089785297.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 108573660 + ... + 108573732.

Almost surely, 2^7925879808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7925879808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15836116032).

7925879808 is an abundant number, since it is smaller than the sum of its proper divisors (23746352256).

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

7925879808 is a wasteful number, since it uses less digits than its factorization.

7925879808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The square root of 7925879808 is about 89027.4104307207. The cubic root of 7925879808 is about 1993.8041428312.

The spelling of 7925879808 in words is "seven billion, nine hundred twenty-five million, eight hundred seventy-nine thousand, eight hundred eight".