76388507064 has 96 divisors (see below), whose sum is σ = 219110739120. Its totient is φ = 23958955008.

The previous prime is 76388507053. The next prime is 76388507071. The reversal of 76388507064 is 46070588367.

76388507064 is a `hidden beast` number, since 76 + 3 + 8 + 8 + 507 + 0 + 64 = 666.

It is a super-3 number, since 3×76388507064³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 76388507064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9625242 + ... + 9633174.

Almost surely, 2^76388507064 is an apocalyptic number.

It is an amenable number.

76388507064 is an abundant number, since it is smaller than the sum of its proper divisors (142722232056).

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

76388507064 is a wasteful number, since it uses less digits than its factorization.

76388507064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829 (or 15822 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 76388507064 in words is "seventy-six billion, three hundred eighty-eight million, five hundred seven thousand, sixty-four".