620777590124 has 6 divisors (see below), whose sum is σ = 1086360782724. Its totient is φ = 310388795060.

The previous prime is 620777590061. The next prime is 620777590163. The reversal of 620777590124 is 421095777026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77597198762 + ... + 77597198769.

It is an arithmetic number, because the mean of its divisors is an integer number (181060130454).

Almost surely, 2^620777590124 is an apocalyptic number.

It is an amenable number.

620777590124 is a deficient number, since it is larger than the sum of its proper divisors (465583192600).

620777590124 is a wasteful number, since it uses less digits than its factorization.

620777590124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155194397535 (or 155194397533 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 620777590124 in words is "six hundred twenty billion, seven hundred seventy-seven million, five hundred ninety thousand, one hundred twenty-four".