56837222887 has 2 divisors, whose sum is σ = 56837222888. Its totient is φ = 56837222886.

The previous prime is 56837222879. The next prime is 56837222891. The reversal of 56837222887 is 78822273865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56837222887 - 2³ = 56837222879 is a prime.

It is a super-2 number, since 2×56837222887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56837232887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28418611443 + 28418611444.

It is an arithmetic number, because the mean of its divisors is an integer number (28418611444).

Almost surely, 2^56837222887 is an apocalyptic number.

56837222887 is a deficient number, since it is larger than the sum of its proper divisors (1).

56837222887 is an equidigital number, since it uses as much as digits as its factorization.

56837222887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 58.

The spelling of 56837222887 in words is "fifty-six billion, eight hundred thirty-seven million, two hundred twenty-two thousand, eight hundred eighty-seven".