83797905 has 32 divisors (see below), whose sum is σ = 137088000. Its totient is φ = 43699392.

The previous prime is 83797897. The next prime is 83797921. The reversal of 83797905 is 50979738.

It is not a de Polignac number, because 83797905 - 2³ = 83797897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199786 + ... + 200204.

It is an arithmetic number, because the mean of its divisors is an integer number (4284000).

Almost surely, 2^83797905 is an apocalyptic number.

It is an amenable number.

83797905 is a deficient number, since it is larger than the sum of its proper divisors (53290095).

83797905 is a wasteful number, since it uses less digits than its factorization.

83797905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 83797905 is about 9154.1195644365. The cubic root of 83797905 is about 437.6004101505.

The spelling of 83797905 in words is "eighty-three million, seven hundred ninety-seven thousand, nine hundred five".