677952144 has 60 divisors (see below), whose sum is σ = 1958541312. Its totient is φ = 218692800.

The previous prime is 677952139. The next prime is 677952157. The reversal of 677952144 is 441259776.

It is a self number, because there is not a number n which added to its sum of digits gives 677952144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71472 + ... + 80399.

Almost surely, 2^677952144 is an apocalyptic number.

It is an amenable number.

677952144 is an abundant number, since it is smaller than the sum of its proper divisors (1280589168).

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

677952144 is a wasteful number, since it uses less digits than its factorization.

677952144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151916 (or 151907 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 677952144 is about 26037.5141670629. The cubic root of 677952144 is about 878.4822944388.

The spelling of 677952144 in words is "six hundred seventy-seven million, nine hundred fifty-two thousand, one hundred forty-four".