76667420767660 has 96 divisors (see below), whose sum is σ = 166723792526592. Its totient is φ = 29591765925120.

The previous prime is 76667420767649. The next prime is 76667420767711. The reversal of 76667420767660 is 6676702476667.

It is a self number, because there is not a number n which added to its sum of digits gives 76667420767660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43320099 + ... + 45055141.

It is an arithmetic number, because the mean of its divisors is an integer number (1736706172152).

Almost surely, 2^{76667420767660} 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 76667420767660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83361896263296).

76667420767660 is an abundant number, since it is smaller than the sum of its proper divisors (90056371758932).

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

76667420767660 is a wasteful number, since it uses less digits than its factorization.

76667420767660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735583 (or 1735581 counting only the distinct ones).

The product of its (nonzero) digits is 896168448, while the sum is 70.

The spelling of 76667420767660 in words is "seventy-six trillion, six hundred sixty-seven billion, four hundred twenty million, seven hundred sixty-seven thousand, six hundred sixty".