677738082492 has 36 divisors (see below), whose sum is σ = 1719685247280. Its totient is φ = 225053707392.

The previous prime is 677738082479. The next prime is 677738082517. The reversal of 677738082492 is 294280837776.

677738082492 is a `hidden beast` number, since 6 + 7 + 7 + 7 + 380 + 8 + 249 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35781517 + ... + 35800452.

Almost surely, 2^677738082492 is an apocalyptic number.

It is an amenable number.

677738082492 is an abundant number, since it is smaller than the sum of its proper divisors (1041947164788).

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

677738082492 is a wasteful number, since it uses less digits than its factorization.

677738082492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71582242 (or 71582237 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 677738082492 in words is "six hundred seventy-seven billion, seven hundred thirty-eight million, eighty-two thousand, four hundred ninety-two".