82791063 has 6 divisors (see below), whose sum is σ = 119587104. Its totient is φ = 55194036.

The previous prime is 82791061. The next prime is 82791073. The reversal of 82791063 is 36019728.

It is not a de Polignac number, because 82791063 - 2¹ = 82791061 is a prime.

It is a super-2 number, since 2×82791063² = 13708720225339938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82791061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4599495 + ... + 4599512.

It is an arithmetic number, because the mean of its divisors is an integer number (19931184).

Almost surely, 2^82791063 is an apocalyptic number.

82791063 is a deficient number, since it is larger than the sum of its proper divisors (36796041).

82791063 is a wasteful number, since it uses less digits than its factorization.

82791063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199013 (or 9199010 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 82791063 is about 9098.9594460026. The cubic root of 82791063 is about 435.8407363064.

The spelling of 82791063 in words is "eighty-two million, seven hundred ninety-one thousand, sixty-three".