82933728431 has 4 divisors (see below), whose sum is σ = 85793512200. Its totient is φ = 80073944664.

The previous prime is 82933728419. The next prime is 82933728457. The reversal of 82933728431 is 13482733928.

It is a happy number.

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 82933728431 - 2¹⁰ = 82933727407 is a prime.

It is a super-2 number, since 2×82933728431² (a number of 23 digits) 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 82933728431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82933758431) 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, 1429891841 + ... + 1429891898.

It is an arithmetic number, because the mean of its divisors is an integer number (21448378050).

Almost surely, 2^82933728431 is an apocalyptic number.

82933728431 is a deficient number, since it is larger than the sum of its proper divisors (2859783769).

82933728431 is a wasteful number, since it uses less digits than its factorization.

82933728431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859783768.

The product of its digits is 1741824, while the sum is 50.

The spelling of 82933728431 in words is "eighty-two billion, nine hundred thirty-three million, seven hundred twenty-eight thousand, four hundred thirty-one".