76975361064 has 144 divisors (see below), whose sum is σ = 244257904800. Its totient is φ = 21834598464.

The previous prime is 76975361027. The next prime is 76975361107. The reversal of 76975361064 is 46016357967.

It is a happy number.

76975361064 is a `hidden beast` number, since 7 + 6 + 97 + 536 + 10 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 76975361064.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 411909 + ... + 568875.

It is an arithmetic number, because the mean of its divisors is an integer number (1696235450).

Almost surely, 2^76975361064 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 76975361064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122128952400).

76975361064 is an abundant number, since it is smaller than the sum of its proper divisors (167282543736).

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

76975361064 is a wasteful number, since it uses less digits than its factorization.

76975361064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157132 (or 157118 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 76975361064 in words is "seventy-six billion, nine hundred seventy-five million, three hundred sixty-one thousand, sixty-four".