677570568 has 32 divisors (see below), whose sum is σ = 1695180960. Its totient is φ = 225689600.

The previous prime is 677570561. The next prime is 677570653. The reversal of 677570568 is 865075776.

It is a self number, because there is not a number n which added to its sum of digits gives 677570568.

It is not an unprimeable number, because it can be changed into a prime (677570561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25096 + ... + 44552.

It is an arithmetic number, because the mean of its divisors is an integer number (52974405).

Almost surely, 2^677570568 is an apocalyptic number.

It is an amenable number.

677570568 is an abundant number, since it is smaller than the sum of its proper divisors (1017610392).

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

677570568 is a wasteful number, since it uses less digits than its factorization.

677570568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917 (or 20913 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The square root of 677570568 is about 26030.1857081351. The cubic root of 677570568 is about 878.3174496330.

The spelling of 677570568 in words is "six hundred seventy-seven million, five hundred seventy thousand, five hundred sixty-eight".