82897534 has 8 divisors (see below), whose sum is σ = 128357568. Its totient is φ = 40111680.

The previous prime is 82897511. The next prime is 82897547. The reversal of 82897534 is 43579828.

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

It is a super-2 number, since 2×82897534² = 13744002286562312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668467 + ... + 668590.

It is an arithmetic number, because the mean of its divisors is an integer number (16044696).

Almost surely, 2^82897534 is an apocalyptic number.

82897534 is a deficient number, since it is larger than the sum of its proper divisors (45460034).

82897534 is a wasteful number, since it uses less digits than its factorization.

82897534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337090.

The product of its digits is 483840, while the sum is 46.

The square root of 82897534 is about 9104.8082901289. The cubic root of 82897534 is about 436.0274896395.

The spelling of 82897534 in words is "eighty-two million, eight hundred ninety-seven thousand, five hundred thirty-four".