874387450531 has 4 divisors (see below), whose sum is σ = 999299943472. Its totient is φ = 749474957592.

The previous prime is 874387450529. The next prime is 874387450537. The reversal of 874387450531 is 135054783478.

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

It is a cyclic number.

It is not a de Polignac number, because 874387450531 - 2¹ = 874387450529 is a prime.

It is a super-2 number, since 2×874387450531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874387450537) 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, 62456246460 + ... + 62456246473.

It is an arithmetic number, because the mean of its divisors is an integer number (249824985868).

Almost surely, 2^874387450531 is an apocalyptic number.

874387450531 is a deficient number, since it is larger than the sum of its proper divisors (124912492941).

874387450531 is a wasteful number, since it uses less digits than its factorization.

874387450531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124912492940.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 874387450531 in words is "eight hundred seventy-four billion, three hundred eighty-seven million, four hundred fifty thousand, five hundred thirty-one".