874256875583431 has 4 divisors (see below), whose sum is σ = 920270395351000. Its totient is φ = 828243355815864.

The previous prime is 874256875583411. The next prime is 874256875583519. The reversal of 874256875583431 is 134385578652478.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-874256875583431 is a prime.

It is a super-2 number, since 2×874256875583431² (a number of 31 digits) 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 (874256875583401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23006759883756 + ... + 23006759883793.

It is an arithmetic number, because the mean of its divisors is an integer number (230067598837750).

Almost surely, 2^{874256875583431} is an apocalyptic number.

874256875583431 is a deficient number, since it is larger than the sum of its proper divisors (46013519767569).

874256875583431 is a wasteful number, since it uses less digits than its factorization.

874256875583431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46013519767568.

The product of its digits is 5419008000, while the sum is 76.

The spelling of 874256875583431 in words is "eight hundred seventy-four trillion, two hundred fifty-six billion, eight hundred seventy-five million, five hundred eighty-three thousand, four hundred thirty-one".