879149431 has 2 divisors, whose sum is σ = 879149432. Its totient is φ = 879149430.

The previous prime is 879149389. The next prime is 879149473. The reversal of 879149431 is 134941978.

It is a balanced prime because it is at equal distance from previous prime (879149389) and next prime (879149473).

It is a cyclic number.

It is not a de Polignac number, because 879149431 - 2⁷ = 879149303 is a prime.

It is a super-2 number, since 2×879149431² = 1545807444055247522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879149231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439574715 + 439574716.

It is an arithmetic number, because the mean of its divisors is an integer number (439574716).

Almost surely, 2^879149431 is an apocalyptic number.

879149431 is a deficient number, since it is larger than the sum of its proper divisors (1).

879149431 is an equidigital number, since it uses as much as digits as its factorization.

879149431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 879149431 is about 29650.4541449199. The cubic root of 879149431 is about 957.9751269469.

The spelling of 879149431 in words is "eight hundred seventy-nine million, one hundred forty-nine thousand, four hundred thirty-one".