56070997377 has 4 divisors (see below), whose sum is σ = 74761329840. Its totient is φ = 37380664916.

The previous prime is 56070997313. The next prime is 56070997379. The reversal of 56070997377 is 77379907065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56070997377 - 2⁶ = 56070997313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56070997377.

It is not an unprimeable number, because it can be changed into a prime (56070997379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345166227 + ... + 9345166232.

It is an arithmetic number, because the mean of its divisors is an integer number (18690332460).

Almost surely, 2^56070997377 is an apocalyptic number.

It is an amenable number.

56070997377 is a deficient number, since it is larger than the sum of its proper divisors (18690332463).

56070997377 is a wasteful number, since it uses less digits than its factorization.

56070997377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690332462.

The product of its (nonzero) digits is 17503290, while the sum is 60.

The spelling of 56070997377 in words is "fifty-six billion, seventy million, nine hundred ninety-seven thousand, three hundred seventy-seven".