874450831 has 2 divisors, whose sum is σ = 874450832. Its totient is φ = 874450830.

The previous prime is 874450727. The next prime is 874450847. The reversal of 874450831 is 138054478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874450831 is a prime.

It is a super-2 number, since 2×874450831² = 1529328511673181122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874450231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437225415 + 437225416.

It is an arithmetic number, because the mean of its divisors is an integer number (437225416).

Almost surely, 2^874450831 is an apocalyptic number.

874450831 is a deficient number, since it is larger than the sum of its proper divisors (1).

874450831 is an equidigital number, since it uses as much as digits as its factorization.

874450831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 874450831 is about 29571.1148082043. The cubic root of 874450831 is about 956.2654499846.

The spelling of 874450831 in words is "eight hundred seventy-four million, four hundred fifty thousand, eight hundred thirty-one".