82187092 has 12 divisors (see below), whose sum is σ = 154891156. Its totient is φ = 37932480.

The previous prime is 82187087. The next prime is 82187093. The reversal of 82187092 is 29078128.

It can be written as a sum of positive squares in 2 ways, for example, as 25847056 + 56340036 = 5084^2 + 7506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82187093) 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, 790209 + ... + 790312.

Almost surely, 2^82187092 is an apocalyptic number.

It is an amenable number.

82187092 is a deficient number, since it is larger than the sum of its proper divisors (72704064).

82187092 is a wasteful number, since it uses less digits than its factorization.

82187092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580538 (or 1580536 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 82187092 is about 9065.7096798872. The cubic root of 82187092 is about 434.7783113146.

The spelling of 82187092 in words is "eighty-two million, one hundred eighty-seven thousand, ninety-two".