82911497 has 8 divisors (see below), whose sum is σ = 87864000. Its totient is φ = 78017904.

The previous prime is 82911469. The next prime is 82911503. The reversal of 82911497 is 79411928.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82911497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82911467) 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, 11813 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (10983000).

Almost surely, 2^82911497 is an apocalyptic number.

It is an amenable number.

82911497 is a deficient number, since it is larger than the sum of its proper divisors (4952503).

82911497 is a wasteful number, since it uses less digits than its factorization.

82911497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29455.

The product of its digits is 36288, while the sum is 41.

The square root of 82911497 is about 9105.5750504842. The cubic root of 82911497 is about 436.0519692983.

The spelling of 82911497 in words is "eighty-two million, nine hundred eleven thousand, four hundred ninety-seven".