83197564 has 6 divisors (see below), whose sum is σ = 145595744. Its totient is φ = 41598780.

The previous prime is 83197559. The next prime is 83197613. The reversal of 83197564 is 46579138.

It is a self number, because there is not a number n which added to its sum of digits gives 83197564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10399692 + ... + 10399699.

Almost surely, 2^83197564 is an apocalyptic number.

It is an amenable number.

83197564 is a deficient number, since it is larger than the sum of its proper divisors (62398180).

83197564 is a wasteful number, since it uses less digits than its factorization.

83197564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20799395 (or 20799393 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 83197564 is about 9121.2698677322. The cubic root of 83197564 is about 436.5528925530.

The spelling of 83197564 in words is "eighty-three million, one hundred ninety-seven thousand, five hundred sixty-four".