677748492 has 24 divisors (see below), whose sum is σ = 1757126000. Its totient is φ = 225916128.

The previous prime is 677748479. The next prime is 677748497. The reversal of 677748492 is 294847776.

677748492 is a `hidden beast` number, since 6 + 7 + 77 + 484 + 92 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (677748497) 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, 3137617 + ... + 3137832.

Almost surely, 2^677748492 is an apocalyptic number.

It is an amenable number.

677748492 is an abundant number, since it is smaller than the sum of its proper divisors (1079377508).

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

677748492 is a wasteful number, since it uses less digits than its factorization.

677748492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275462 (or 6275454 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 677748492 is about 26033.6031313378. The cubic root of 677748492 is about 878.3943223527.

The spelling of 677748492 in words is "six hundred seventy-seven million, seven hundred forty-eight thousand, four hundred ninety-two".