677840232 has 16 divisors (see below), whose sum is σ = 1694600640. Its totient is φ = 225946736.

The previous prime is 677840231. The next prime is 677840239. The reversal of 677840232 is 232048776.

It is a super-4 number, since 4×677840232⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (677840231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14121648 + ... + 14121695.

It is an arithmetic number, because the mean of its divisors is an integer number (105912540).

Almost surely, 2^677840232 is an apocalyptic number.

It is an amenable number.

677840232 is an abundant number, since it is smaller than the sum of its proper divisors (1016760408).

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

677840232 is a wasteful number, since it uses less digits than its factorization.

677840232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28243352 (or 28243348 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 677840232 is about 26035.3650252882. The cubic root of 677840232 is about 878.4339537010.

Subtracting from 677840232 its product of nonzero digits (112896), we obtain a triangular number (677727336 = T₃₆₈₁₆).

The spelling of 677840232 in words is "six hundred seventy-seven million, eight hundred forty thousand, two hundred thirty-two".