677918613 has 8 divisors (see below), whose sum is σ = 951464800. Its totient is φ = 428159088.

The previous prime is 677918603. The next prime is 677918617. The reversal of 677918613 is 316819776.

It is a happy number.

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

It is not a de Polignac number, because 677918613 - 2⁸ = 677918357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677918617) 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, 5946598 + ... + 5946711.

It is an arithmetic number, because the mean of its divisors is an integer number (118933100).

Almost surely, 2^677918613 is an apocalyptic number.

It is an amenable number.

677918613 is a deficient number, since it is larger than the sum of its proper divisors (273546187).

677918613 is a wasteful number, since it uses less digits than its factorization.

677918613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893331.

The product of its digits is 381024, while the sum is 48.

The square root of 677918613 is about 26036.8702612276. The cubic root of 677918613 is about 878.4678111769.

The spelling of 677918613 in words is "six hundred seventy-seven million, nine hundred eighteen thousand, six hundred thirteen".