76959458640 has 160 divisors (see below), whose sum is σ = 266272957440. Its totient is φ = 20430365184.

The previous prime is 76959458629. The next prime is 76959458659. The reversal of 76959458640 is 4685495967.

76959458640 is a `hidden beast` number, since 7 + 6 + 9 + 5 + 9 + 4 + 586 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401794 + ... + 561566.

It is an arithmetic number, because the mean of its divisors is an integer number (1664205984).

Almost surely, 2^76959458640 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 76959458640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133136478720).

76959458640 is an abundant number, since it is smaller than the sum of its proper divisors (189313498800).

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

76959458640 is a wasteful number, since it uses less digits than its factorization.

76959458640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160018 (or 160006 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 76959458640 in words is "seventy-six billion, nine hundred fifty-nine million, four hundred fifty-eight thousand, six hundred forty".