612776056331 has 12 divisors (see below), whose sum is σ = 636453636000. Its totient is φ = 589950304608.

The previous prime is 612776056309. The next prime is 612776056337. The reversal of 612776056331 is 133650677216.

It is not a de Polignac number, because 612776056331 - 2³⁰ = 611702314507 is a prime.

It is a super-2 number, since 2×612776056331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612776056337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750371 + ... + 1337388.

It is an arithmetic number, because the mean of its divisors is an integer number (53037803000).

Almost surely, 2^612776056331 is an apocalyptic number.

612776056331 is a deficient number, since it is larger than the sum of its proper divisors (23677579669).

612776056331 is a wasteful number, since it uses less digits than its factorization.

612776056331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088166 (or 2088137 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 612776056331 in words is "six hundred twelve billion, seven hundred seventy-six million, fifty-six thousand, three hundred thirty-one".