83917197 has 48 divisors (see below), whose sum is σ = 151191040. Its totient is φ = 43670016.

The previous prime is 83917189. The next prime is 83917199. The reversal of 83917197 is 79171938.

It is not a de Polignac number, because 83917197 - 2³ = 83917189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83917199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64053 + ... + 65349.

Almost surely, 2^83917197 is an apocalyptic number.

It is an amenable number.

83917197 is a deficient number, since it is larger than the sum of its proper divisors (67273843).

83917197 is a wasteful number, since it uses less digits than its factorization.

83917197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1399 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 83917197 is about 9160.6330021456. The cubic root of 83917197 is about 437.8079629788.

The spelling of 83917197 in words is "eighty-three million, nine hundred seventeen thousand, one hundred ninety-seven".