874785431 has 16 divisors (see below), whose sum is σ = 953641920. Its totient is φ = 797644800.

The previous prime is 874785419. The next prime is 874785437. The reversal of 874785431 is 134587478.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874785431 is a prime.

It is a super-2 number, since 2×874785431² = 1530499100579711522, 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 (874785437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377705 + ... + 380013.

It is an arithmetic number, because the mean of its divisors is an integer number (59602620).

Almost surely, 2^874785431 is an apocalyptic number.

874785431 is a deficient number, since it is larger than the sum of its proper divisors (78856489).

874785431 is a wasteful number, since it uses less digits than its factorization.

874785431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its digits is 752640, while the sum is 47.

The square root of 874785431 is about 29576.7718150578. The cubic root of 874785431 is about 956.3874029507.

The spelling of 874785431 in words is "eight hundred seventy-four million, seven hundred eighty-five thousand, four hundred thirty-one".