83499375 has 20 divisors (see below), whose sum is σ = 139124216. Its totient is φ = 44532000.

The previous prime is 83499373. The next prime is 83499379. The reversal of 83499375 is 57399438.

It is not a de Polignac number, because 83499375 - 2¹ = 83499373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83499373) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20392 + ... + 24141.

Almost surely, 2^83499375 is an apocalyptic number.

83499375 is a deficient number, since it is larger than the sum of its proper divisors (55624841).

83499375 is an equidigital number, since it uses as much as digits as its factorization.

83499375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44556 (or 44541 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 83499375 is about 9137.7992427061. The cubic root of 83499375 is about 437.0801414181.

The spelling of 83499375 in words is "eighty-three million, four hundred ninety-nine thousand, three hundred seventy-five".