82123704 has 48 divisors (see below), whose sum is σ = 239530200. Its totient is φ = 25268544.

The previous prime is 82123687. The next prime is 82123721. The reversal of 82123704 is 40732128.

It is an interprime number because it is at equal distance from previous prime (82123687) and next prime (82123721).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42934 + ... + 44805.

Almost surely, 2^82123704 is an apocalyptic number.

It is an amenable number.

82123704 is an abundant number, since it is smaller than the sum of its proper divisors (157406496).

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

82123704 is a wasteful number, since it uses less digits than its factorization.

82123704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87764 (or 87757 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 82123704 is about 9062.2129747650. The cubic root of 82123704 is about 434.6665061830. Note that the first 3 decimals are identical.

The spelling of 82123704 in words is "eighty-two million, one hundred twenty-three thousand, seven hundred four".