56677077607 has 2 divisors, whose sum is σ = 56677077608. Its totient is φ = 56677077606.

The previous prime is 56677077551. The next prime is 56677077617. The reversal of 56677077607 is 70677077665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56677077607 - 2³¹ = 54529593959 is a prime.

It is a super-2 number, since 2×56677077607² (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 (56677077617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338538803 + 28338538804.

It is an arithmetic number, because the mean of its divisors is an integer number (28338538804).

Almost surely, 2^56677077607 is an apocalyptic number.

56677077607 is a deficient number, since it is larger than the sum of its proper divisors (1).

56677077607 is an equidigital number, since it uses as much as digits as its factorization.

56677077607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18151560, while the sum is 58.

Adding to 56677077607 its sum of digits (58), we get a palindrome (56677077665).

The spelling of 56677077607 in words is "fifty-six billion, six hundred seventy-seven million, seventy-seven thousand, six hundred seven".