83415897 has 12 divisors (see below), whose sum is σ = 120644160. Its totient is φ = 55539288.

The previous prime is 83415887. The next prime is 83415949. The reversal of 83415897 is 79851438.

It is not a de Polignac number, because 83415897 - 2⁴ = 83415881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83415817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2028 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (10053680).

Almost surely, 2^83415897 is an apocalyptic number.

It is an amenable number.

83415897 is a deficient number, since it is larger than the sum of its proper divisors (37228263).

83415897 is a wasteful number, since it uses less digits than its factorization.

83415897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892 (or 11889 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 83415897 is about 9133.2303704659. The cubic root of 83415897 is about 436.9344367670.

The spelling of 83415897 in words is "eighty-three million, four hundred fifteen thousand, eight hundred ninety-seven".