677620992 has 72 divisors (see below), whose sum is σ = 1814859424. Its totient is φ = 224446464.

The previous prime is 677620987. The next prime is 677621017. The reversal of 677620992 is 299026776.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122478 + ... + 127890.

Almost surely, 2^677620992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677620992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907429712).

677620992 is an abundant number, since it is smaller than the sum of its proper divisors (1137238432).

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

677620992 is a wasteful number, since it uses less digits than its factorization.

677620992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595 (or 5581 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 677620992 is about 26031.1542579272. The cubic root of 677620992 is about 878.3392368743.

The spelling of 677620992 in words is "six hundred seventy-seven million, six hundred twenty thousand, nine hundred ninety-two".