676081831 has 4 divisors (see below), whose sum is σ = 676898200. Its totient is φ = 675265464.

The previous prime is 676081787. The next prime is 676081837. The reversal of 676081831 is 138180676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 676081831 - 2¹³ = 676073639 is a prime.

It is a super-2 number, since 2×676081831² = 914173284416625122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676081837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406941 + ... + 408598.

It is an arithmetic number, because the mean of its divisors is an integer number (169224550).

Almost surely, 2^676081831 is an apocalyptic number.

676081831 is a deficient number, since it is larger than the sum of its proper divisors (816369).

676081831 is an equidigital number, since it uses as much as digits as its factorization.

676081831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816368.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 676081831 is about 26001.5736254558. The cubic root of 676081831 is about 877.6737073286.

The spelling of 676081831 in words is "six hundred seventy-six million, eighty-one thousand, eight hundred thirty-one".