83455917 has 8 divisors (see below), whose sum is σ = 111633600. Its totient is φ = 55457760.

The previous prime is 83455861. The next prime is 83455921. The reversal of 83455917 is 71955438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83455917 - 2¹⁵ = 83423149 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83455817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43792 + ... + 45657.

It is an arithmetic number, because the mean of its divisors is an integer number (13954200).

Almost surely, 2^83455917 is an apocalyptic number.

It is an amenable number.

83455917 is a deficient number, since it is larger than the sum of its proper divisors (28177683).

83455917 is a wasteful number, since it uses less digits than its factorization.

83455917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89763.

The product of its digits is 151200, while the sum is 42.

The square root of 83455917 is about 9135.4210083608. The cubic root of 83455917 is about 437.0043008302.

The spelling of 83455917 in words is "eighty-three million, four hundred fifty-five thousand, nine hundred seventeen".