677392873 has 4 divisors (see below), whose sum is σ = 699244288. Its totient is φ = 655541460.

The previous prime is 677392843. The next prime is 677392901. The reversal of 677392873 is 378293776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677392873 is a prime.

It is a super-2 number, since 2×677392873² = 917722208782388258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677392873.

It is not an unprimeable number, because it can be changed into a prime (677392813) 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, 10925661 + ... + 10925722.

It is an arithmetic number, because the mean of its divisors is an integer number (174811072).

Almost surely, 2^677392873 is an apocalyptic number.

It is an amenable number.

677392873 is a deficient number, since it is larger than the sum of its proper divisors (21851415).

677392873 is a wasteful number, since it uses less digits than its factorization.

677392873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21851414.

The product of its digits is 2667168, while the sum is 52.

The square root of 677392873 is about 26026.7722355270. The cubic root of 677392873 is about 878.2406624209.

The spelling of 677392873 in words is "six hundred seventy-seven million, three hundred ninety-two thousand, eight hundred seventy-three".