677378484 has 48 divisors (see below), whose sum is σ = 1797019840. Its totient is φ = 220540320.

The previous prime is 677378477. The next prime is 677378567. The reversal of 677378484 is 484873776.

It is a super-2 number, since 2×677378484² = 917683221172276512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 677378484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68287 + ... + 77574.

Almost surely, 2^677378484 is an apocalyptic number.

It is an amenable number.

677378484 is an abundant number, since it is smaller than the sum of its proper divisors (1119641356).

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

677378484 is a wasteful number, since it uses less digits than its factorization.

677378484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145917 (or 145909 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 677378484 is about 26026.4958071578. The cubic root of 677378484 is about 878.2344439250.

The spelling of 677378484 in words is "six hundred seventy-seven million, three hundred seventy-eight thousand, four hundred eighty-four".