76620007526561 has 8 divisors (see below), whose sum is σ = 76674886229760. Its totient is φ = 76565130486768.

The previous prime is 76620007526551. The next prime is 76620007526581. The reversal of 76620007526561 is 16562570002667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76620007526561 - 2²⁶ = 76619940417697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76620007526551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100490555 + ... + 101250143.

It is an arithmetic number, because the mean of its divisors is an integer number (9584360778720).

Almost surely, 2^{76620007526561} is an apocalyptic number.

It is an amenable number.

76620007526561 is a deficient number, since it is larger than the sum of its proper divisors (54878703199).

76620007526561 is a wasteful number, since it uses less digits than its factorization.

76620007526561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831703.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 76620007526561 in words is "seventy-six trillion, six hundred twenty billion, seven million, five hundred twenty-six thousand, five hundred sixty-one".