76439713056 has 144 divisors (see below), whose sum is σ = 234601811136. Its totient is φ = 21728792064.

The previous prime is 76439713043. The next prime is 76439713069. The reversal of 76439713056 is 65031793467.

It is an interprime number because it is at equal distance from previous prime (76439713043) and next prime (76439713069).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885445 + ... + 967931.

It is an arithmetic number, because the mean of its divisors is an integer number (1629179244).

Almost surely, 2^76439713056 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 76439713056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117300905568).

76439713056 is an abundant number, since it is smaller than the sum of its proper divisors (158162098080).

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

76439713056 is a wasteful number, since it uses less digits than its factorization.

76439713056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82711 (or 82696 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 76439713056 in words is "seventy-six billion, four hundred thirty-nine million, seven hundred thirteen thousand, fifty-six".