616977 has 12 divisors (see below), whose sum is σ = 924560. Its totient is φ = 411156.

The previous prime is 616961. The next prime is 616991. The reversal of 616977 is 779616.

It is not a de Polignac number, because 616977 - 2⁴ = 616961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616997) 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, 1027 + ... + 1512.

2⁶¹⁶⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

616977 is a deficient number, since it is larger than the sum of its proper divisors (307583).

616977 is an equidigital number, since it uses as much as digits as its factorization.

616977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2542 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 616977 is about 785.4788348517. The cubic root of 616977 is about 85.1313769990.

The spelling of 616977 in words is "six hundred sixteen thousand, nine hundred seventy-seven".