677455212 has 24 divisors (see below), whose sum is σ = 1806547456. Its totient is φ = 193558608.

The previous prime is 677455193. The next prime is 677455217. The reversal of 677455212 is 212554776.

It is not an unprimeable number, because it can be changed into a prime (677455217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032388 + ... + 4032555.

Almost surely, 2^677455212 is an apocalyptic number.

It is an amenable number.

677455212 is an abundant number, since it is smaller than the sum of its proper divisors (1129092244).

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

677455212 is a wasteful number, since it uses less digits than its factorization.

677455212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064957 (or 8064955 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 677455212 is about 26027.9698017344. The cubic root of 677455212 is about 878.2676024569.

The spelling of 677455212 in words is "six hundred seventy-seven million, four hundred fifty-five thousand, two hundred twelve".