612877056 has 72 divisors (see below), whose sum is σ = 1779457344. Its totient is φ = 185717760.

The previous prime is 612877043. The next prime is 612877079. The reversal of 612877056 is 650778216.

It is a junction number, because it is equal to n+sod(n) for n = 612876999 and 612877017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27826 + ... + 44721.

Almost surely, 2^612877056 is an apocalyptic number.

612877056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

612877056 is an abundant number, since it is smaller than the sum of its proper divisors (1166580288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612877056 is a wasteful number, since it uses less digits than its factorization.

612877056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72577 (or 72563 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 612877056 is about 24756.3538510824. The cubic root of 612877056 is about 849.4238568590.

The spelling of 612877056 in words is "six hundred twelve million, eight hundred seventy-seven thousand, fifty-six".