59778831631 has 2 divisors, whose sum is σ = 59778831632. Its totient is φ = 59778831630.

The previous prime is 59778831577. The next prime is 59778831659. The reversal of 59778831631 is 13613887795.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 59778831631 - 2²⁵ = 59745277199 is a prime.

It is a super-2 number, since 2×59778831631² (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 (59778831691) 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, 29889415815 + 29889415816.

It is an arithmetic number, because the mean of its divisors is an integer number (29889415816).

Almost surely, 2^59778831631 is an apocalyptic number.

59778831631 is a deficient number, since it is larger than the sum of its proper divisors (1).

59778831631 is an equidigital number, since it uses as much as digits as its factorization.

59778831631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The spelling of 59778831631 in words is "fifty-nine billion, seven hundred seventy-eight million, eight hundred thirty-one thousand, six hundred thirty-one".