57220840677 has 128 divisors (see below), whose sum is σ = 104744005632. Its totient is φ = 26827776000.

The previous prime is 57220840661. The next prime is 57220840723. The reversal of 57220840677 is 77604802275.

57220840677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57220840677 - 2⁴ = 57220840661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57220840627) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25173013 + ... + 25175285.

It is an arithmetic number, because the mean of its divisors is an integer number (818312544).

Almost surely, 2^57220840677 is an apocalyptic number.

It is an amenable number.

57220840677 is a deficient number, since it is larger than the sum of its proper divisors (47523164955).

57220840677 is a wasteful number, since it uses less digits than its factorization.

57220840677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 57220840677 in words is "fifty-seven billion, two hundred twenty million, eight hundred forty thousand, six hundred seventy-seven".