82192089 has 16 divisors (see below), whose sum is σ = 125521920. Its totient is φ = 46863120.

The previous prime is 82192073. The next prime is 82192091. The reversal of 82192089 is 98029128.

It is not a de Polignac number, because 82192089 - 2⁴ = 82192073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82192009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5974 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (7845120).

Almost surely, 2^82192089 is an apocalyptic number.

It is an amenable number.

82192089 is a deficient number, since it is larger than the sum of its proper divisors (43329831).

82192089 is a wasteful number, since it uses less digits than its factorization.

82192089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 82192089 is about 9065.9852746406. The cubic root of 82192089 is about 434.7871226869.

The spelling of 82192089 in words is "eighty-two million, one hundred ninety-two thousand, eighty-nine".