82795431 has 4 divisors (see below), whose sum is σ = 110393912. Its totient is φ = 55196952.

The previous prime is 82795429. The next prime is 82795459. The reversal of 82795431 is 13459728.

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

It is not a de Polignac number, because 82795431 - 2¹ = 82795429 is a prime.

It is a super-2 number, since 2×82795431² = 13710166788951522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82795431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82795411) 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, 13799236 + ... + 13799241.

It is an arithmetic number, because the mean of its divisors is an integer number (27598478).

Almost surely, 2^82795431 is an apocalyptic number.

82795431 is a deficient number, since it is larger than the sum of its proper divisors (27598481).

82795431 is a wasteful number, since it uses less digits than its factorization.

82795431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27598480.

The product of its digits is 60480, while the sum is 39.

The square root of 82795431 is about 9099.1994702831. The cubic root of 82795431 is about 435.8484010583.

The spelling of 82795431 in words is "eighty-two million, seven hundred ninety-five thousand, four hundred thirty-one".