82997694 has 72 divisors (see below), whose sum is σ = 199440696. Its totient is φ = 24796800.

The previous prime is 82997693. The next prime is 82997711. The reversal of 82997694 is 49679928.

It is a self number, because there is not a number n which added to its sum of digits gives 82997694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82997693) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 393249 + ... + 393459.

Almost surely, 2^82997694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82997694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99720348).

82997694 is an abundant number, since it is smaller than the sum of its proper divisors (116443002).

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

82997694 is a wasteful number, since it uses less digits than its factorization.

82997694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 270 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 82997694 is about 9110.3070200735. The cubic root of 82997694 is about 436.2030273752.

The spelling of 82997694 in words is "eighty-two million, nine hundred ninety-seven thousand, six hundred ninety-four".