77472355968 has 96 divisors (see below), whose sum is σ = 254782625760. Its totient is φ = 22134956544.

The previous prime is 77472355943. The next prime is 77472355991. The reversal of 77472355968 is 86955327477.

77472355968 is a `hidden beast` number, since 7 + 7 + 4 + 7 + 2 + 35 + 596 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4795530 + ... + 4811657.

It is an arithmetic number, because the mean of its divisors is an integer number (2653985685).

Almost surely, 2^77472355968 is an apocalyptic number.

It is an amenable number.

77472355968 is an abundant number, since it is smaller than the sum of its proper divisors (177310269792).

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

77472355968 is a wasteful number, since it uses less digits than its factorization.

77472355968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607214 (or 9607199 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 77472355968 in words is "seventy-seven billion, four hundred seventy-two million, three hundred fifty-five thousand, nine hundred sixty-eight".