879216973601 has 2 divisors, whose sum is σ = 879216973602. Its totient is φ = 879216973600.

The previous prime is 879216973529. The next prime is 879216973693. The reversal of 879216973601 is 106379612978.

879216973601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476823394576 + 402393579025 = 690524^2 + 634345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879216973601 is a prime.

It is not a weakly prime, because it can be changed into another prime (879216973501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439608486800 + 439608486801.

It is an arithmetic number, because the mean of its divisors is an integer number (439608486801).

Almost surely, 2^879216973601 is an apocalyptic number.

It is an amenable number.

879216973601 is a deficient number, since it is larger than the sum of its proper divisors (1).

879216973601 is an equidigital number, since it uses as much as digits as its factorization.

879216973601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 879216973601 in words is "eight hundred seventy-nine billion, two hundred sixteen million, nine hundred seventy-three thousand, six hundred one".