82785792 has 40 divisors (see below), whose sum is σ = 220550616. Its totient is φ = 27594752.

The previous prime is 82785757. The next prime is 82785797. The reversal of 82785792 is 29758728.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82785797) 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, 25413 + ... + 28484.

Almost surely, 2^82785792 is an apocalyptic number.

It is an amenable number.

82785792 is an abundant number, since it is smaller than the sum of its proper divisors (137764824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82785792 is an equidigital number, since it uses as much as digits as its factorization.

82785792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53918 (or 53902 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 82785792 is about 9098.6697928873. The cubic root of 82785792 is about 435.8314866556.

The spelling of 82785792 in words is "eighty-two million, seven hundred eighty-five thousand, seven hundred ninety-two".