677454408 has 64 divisors (see below), whose sum is σ = 1942540800. Its totient is φ = 218531520.

The previous prime is 677454391. The next prime is 677454409. The reversal of 677454408 is 804454776.

It is not an unprimeable number, because it can be changed into a prime (677454409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43891 + ... + 57282.

It is an arithmetic number, because the mean of its divisors is an integer number (30352200).

Almost surely, 2^677454408 is an apocalyptic number.

It is an amenable number.

677454408 is an abundant number, since it is smaller than the sum of its proper divisors (1265086392).

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

677454408 is a wasteful number, since it uses less digits than its factorization.

677454408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101219 (or 101209 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 677454408 is about 26027.9543568065. The cubic root of 677454408 is about 878.2672550158.

The spelling of 677454408 in words is "six hundred seventy-seven million, four hundred fifty-four thousand, four hundred eight".