76617782976 has 168 divisors, whose sum is σ = 236254204656. Its totient is φ = 21849999360.

The previous prime is 76617782957. The next prime is 76617782999. The reversal of 76617782976 is 67928771667.

It is a tau number, because it is divible by the number of its divisors (168).

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, 5232946 + ... + 5247566.

Almost surely, 2^76617782976 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 76617782976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118127102328).

76617782976 is an abundant number, since it is smaller than the sum of its proper divisors (159636421680).

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

76617782976 is a wasteful number, since it uses less digits than its factorization.

76617782976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15207 (or 15190 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 66.

The spelling of 76617782976 in words is "seventy-six billion, six hundred seventeen million, seven hundred eighty-two thousand, nine hundred seventy-six".