616576857 has 16 divisors (see below), whose sum is σ = 891811200. Its totient is φ = 376659072.

The previous prime is 616576853. The next prime is 616576861. The reversal of 616576857 is 758675616.

It is an interprime number because it is at equal distance from previous prime (616576853) and next prime (616576861).

It is not a de Polignac number, because 616576857 - 2² = 616576853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616576853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52357 + ... + 63042.

It is an arithmetic number, because the mean of its divisors is an integer number (55738200).

Almost surely, 2^616576857 is an apocalyptic number.

It is an amenable number.

616576857 is a deficient number, since it is larger than the sum of its proper divisors (275234343).

616576857 is a wasteful number, since it uses less digits than its factorization.

616576857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115552.

The product of its digits is 2116800, while the sum is 51.

The square root of 616576857 is about 24830.9656880275. The cubic root of 616576857 is about 851.1296891601.

The spelling of 616576857 in words is "six hundred sixteen million, five hundred seventy-six thousand, eight hundred fifty-seven".