874505831791 has 2 divisors, whose sum is σ = 874505831792. Its totient is φ = 874505831790.

The previous prime is 874505831677. The next prime is 874505831807. The reversal of 874505831791 is 197138505478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 874505831791 - 2¹⁵ = 874505799023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874505871791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437252915895 + 437252915896.

It is an arithmetic number, because the mean of its divisors is an integer number (437252915896).

Almost surely, 2^874505831791 is an apocalyptic number.

874505831791 is a deficient number, since it is larger than the sum of its proper divisors (1).

874505831791 is an equidigital number, since it uses as much as digits as its factorization.

874505831791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 874505831791 in words is "eight hundred seventy-four billion, five hundred five million, eight hundred thirty-one thousand, seven hundred ninety-one".