677642970 has 64 divisors (see below), whose sum is σ = 1650370176. Its totient is φ = 178053120.

The previous prime is 677642969. The next prime is 677642989. The reversal of 677642970 is 79246776.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980325 + ... + 981015.

It is an arithmetic number, because the mean of its divisors is an integer number (25787034).

Almost surely, 2^677642970 is an apocalyptic number.

677642970 is an abundant number, since it is smaller than the sum of its proper divisors (972727206).

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

677642970 is a wasteful number, since it uses less digits than its factorization.

677642970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 677642970 is about 26031.5764025155. The cubic root of 677642970 is about 878.3487328075.

The spelling of 677642970 in words is "six hundred seventy-seven million, six hundred forty-two thousand, nine hundred seventy".