82911137 has 8 divisors (see below), whose sum is σ = 84661920. Its totient is φ = 81177120.

The previous prime is 82911131. The next prime is 82911163. The reversal of 82911137 is 73111928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82911137 - 2⁸ = 82910881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82911131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062 + ... + 14232.

It is an arithmetic number, because the mean of its divisors is an integer number (10582740).

Almost surely, 2^82911137 is an apocalyptic number.

It is an amenable number.

82911137 is a deficient number, since it is larger than the sum of its proper divisors (1750783).

82911137 is a wasteful number, since it uses less digits than its factorization.

82911137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383.

The product of its digits is 3024, while the sum is 32.

The square root of 82911137 is about 9105.5552823537. Note that the first 3 decimals coincide. The cubic root of 82911137 is about 436.0513381879.

The spelling of 82911137 in words is "eighty-two million, nine hundred eleven thousand, one hundred thirty-seven".