677400400 has 30 divisors (see below), whose sum is σ = 1627455422. Its totient is φ = 270960000.

The previous prime is 677400389. The next prime is 677400419. The reversal of 677400400 is 4004776.

It can be written as a sum of positive squares in 3 ways, for example, as 228977424 + 448422976 = 15132^2 + 21176^2 .

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 846351 + ... + 847150.

Almost surely, 2^677400400 is an apocalyptic number.

It is an amenable number.

677400400 is an abundant number, since it is smaller than the sum of its proper divisors (950055022).

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

677400400 is a wasteful number, since it uses less digits than its factorization.

677400400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693519 (or 1693508 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 677400400 is about 26026.9168362294. The cubic root of 677400400 is about 878.2439153303.

The spelling of 677400400 in words is "six hundred seventy-seven million, four hundred thousand, four hundred".