82097688 has 32 divisors (see below), whose sum is σ = 205475760. Its totient is φ = 27335040.

The previous prime is 82097683. The next prime is 82097693. The reversal of 82097688 is 88679028.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82097683) and next prime (82097693).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82097681) 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, 31906 + ... + 34382.

Almost surely, 2^82097688 is an apocalyptic number.

It is an amenable number.

82097688 is an abundant number, since it is smaller than the sum of its proper divisors (123378072).

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

82097688 is a wasteful number, since it uses less digits than its factorization.

82097688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 82097688 is about 9060.7774500867. Note that the first 3 decimals coincide. The cubic root of 82097688 is about 434.6206019450.

The spelling of 82097688 in words is "eighty-two million, ninety-seven thousand, six hundred eighty-eight".