677170992 has 20 divisors (see below), whose sum is σ = 1749358520. Its totient is φ = 225723648.

The previous prime is 677170981. The next prime is 677170993. The reversal of 677170992 is 299071776.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 14107729 = 677170992 / (6 + 7 + 7 + 1 + 7 + 0 + 9 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (677170993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053817 + ... + 7053912.

It is an arithmetic number, because the mean of its divisors is an integer number (87467926).

Almost surely, 2^677170992 is an apocalyptic number.

It is an amenable number.

677170992 is an abundant number, since it is smaller than the sum of its proper divisors (1072187528).

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

677170992 is a wasteful number, since it uses less digits than its factorization.

677170992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107740 (or 14107734 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 48.

The square root of 677170992 is about 26022.5093332676. The cubic root of 677170992 is about 878.1447622896.

The spelling of 677170992 in words is "six hundred seventy-seven million, one hundred seventy thousand, nine hundred ninety-two".