677046402 has 18 divisors (see below), whose sum is σ = 1467173097. Its totient is φ = 225645336.

The previous prime is 677046397. The next prime is 677046413. The reversal of 677046402 is 204640776.

677046402 is a `hidden beast` number, since 6 + 7 + 7 + 0 + 4 + 640 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 457147161 + 219899241 = 21381^2 + 14829^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18399.

It is a super-2 number, since 2×677046402² = 916783660922291208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 107328 + ... + 113460.

Almost surely, 2^677046402 is an apocalyptic number.

677046402 is an abundant number, since it is smaller than the sum of its proper divisors (790126695).

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

677046402 is an frugal number, since it uses more digits than its factorization.

677046402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 677046402 is about 26020.1153341026. The cubic root of 677046402 is about 878.0909035312.

Multiplying 677046402 by its product of nonzero digits (56448), we get a square (38217915300096 = 6182064²).

The spelling of 677046402 in words is "six hundred seventy-seven million, forty-six thousand, four hundred two".