677996837 has 8 divisors (see below), whose sum is σ = 775011072. Its totient is φ = 581022000.

The previous prime is 677996831. The next prime is 677996857. The reversal of 677996837 is 738699776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677996837 - 2⁸ = 677996581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677996837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677996831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61787 + ... + 71927.

It is an arithmetic number, because the mean of its divisors is an integer number (96876384).

Almost surely, 2^677996837 is an apocalyptic number.

It is an amenable number.

677996837 is a deficient number, since it is larger than the sum of its proper divisors (97014235).

677996837 is a wasteful number, since it uses less digits than its factorization.

677996837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19699.

The product of its digits is 24004512, while the sum is 62.

The square root of 677996837 is about 26038.3723953706. The cubic root of 677996837 is about 878.5015982333.

The spelling of 677996837 in words is "six hundred seventy-seven million, nine hundred ninety-six thousand, eight hundred thirty-seven".