431612879 has 4 divisors (see below), whose sum is σ = 435432576. Its totient is φ = 427793184.

The previous prime is 431612869. The next prime is 431612893. The reversal of 431612879 is 978216134.

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 431612879 - 2¹² = 431608783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431612809) 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 in 3 ways as a sum of consecutive naturals, for example, 1909679 + ... + 1909904.

It is an arithmetic number, because the mean of its divisors is an integer number (108858144).

Almost surely, 2^431612879 is an apocalyptic number.

431612879 is a deficient number, since it is larger than the sum of its proper divisors (3819697).

431612879 is a wasteful number, since it uses less digits than its factorization.

431612879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819696.

The product of its digits is 72576, while the sum is 41.

The square root of 431612879 is about 20775.2949196877. The cubic root of 431612879 is about 755.7267560202.

The spelling of 431612879 in words is "four hundred thirty-one million, six hundred twelve thousand, eight hundred seventy-nine".