56408862787 has 2 divisors, whose sum is σ = 56408862788. Its totient is φ = 56408862786.

The previous prime is 56408862779. The next prime is 56408862793. The reversal of 56408862787 is 78726880465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56408862787 - 2³ = 56408862779 is a prime.

It is a pancake number, because a pancake can be divided into 56408862787 parts by 335883 straight cuts.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204431393 + 28204431394.

It is an arithmetic number, because the mean of its divisors is an integer number (28204431394).

Almost surely, 2^56408862787 is an apocalyptic number.

56408862787 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408862787 is an equidigital number, since it uses as much as digits as its factorization.

56408862787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 56408862787 in words is "fifty-six billion, four hundred eight million, eight hundred sixty-two thousand, seven hundred eighty-seven".