677876646678776 has 16 divisors (see below), whose sum is σ = 1289989141068840. Its totient is φ = 333879542393760.

The previous prime is 677876646678767. The next prime is 677876646678797.

677876646678776 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×677876646678776² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632347617635 + ... + 632347618706.

Almost surely, 2^{677876646678776} is an apocalyptic number.

It is an amenable number.

677876646678776 is a deficient number, since it is larger than the sum of its proper divisors (612112494390064).

677876646678776 is a wasteful number, since it uses less digits than its factorization.

677876646678776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264695236414 (or 1264695236410 counting only the distinct ones).

The product of its digits is 1405192126464, while the sum is 98.

The spelling of 677876646678776 in words is "six hundred seventy-seven trillion, eight hundred seventy-six billion, six hundred forty-six million, six hundred seventy-eight thousand, seven hundred seventy-six".