676686831 has 8 divisors (see below), whose sum is σ = 903158064. Its totient is φ = 450670080.

The previous prime is 676686823. The next prime is 676686863. The reversal of 676686831 is 138686676.

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 676686831 - 2³ = 676686823 is a prime.

It is a super-2 number, since 2×676686831² = 915810134497645122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676686811) 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, 110130 + ... + 116111.

It is an arithmetic number, because the mean of its divisors is an integer number (112894758).

Almost surely, 2^676686831 is an apocalyptic number.

676686831 is a deficient number, since it is larger than the sum of its proper divisors (226471233).

676686831 is a wasteful number, since it uses less digits than its factorization.

676686831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227241.

The product of its digits is 1741824, while the sum is 51.

The square root of 676686831 is about 26013.2049351863. The cubic root of 676686831 is about 877.9354282520.

The spelling of 676686831 in words is "six hundred seventy-six million, six hundred eighty-six thousand, eight hundred thirty-one".