874871791 has 2 divisors, whose sum is σ = 874871792. Its totient is φ = 874871790.

The previous prime is 874871783. The next prime is 874871807. The reversal of 874871791 is 197178478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 874871791 - 2³ = 874871783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874841791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437435895 + 437435896.

It is an arithmetic number, because the mean of its divisors is an integer number (437435896).

Almost surely, 2^874871791 is an apocalyptic number.

874871791 is a deficient number, since it is larger than the sum of its proper divisors (1).

874871791 is an equidigital number, since it uses as much as digits as its factorization.

874871791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 52.

The square root of 874871791 is about 29578.2317084710. The cubic root of 874871791 is about 956.4188738674.

The spelling of 874871791 in words is "eight hundred seventy-four million, eight hundred seventy-one thousand, seven hundred ninety-one".