83430975 has 12 divisors (see below), whose sum is σ = 137939336. Its totient is φ = 44496480.

The previous prime is 83430943. The next prime is 83430979. The reversal of 83430975 is 57903438.

It is not a de Polignac number, because 83430975 - 2⁵ = 83430943 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 (83430979) 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, 556132 + ... + 556281.

Almost surely, 2^83430975 is an apocalyptic number.

83430975 is a deficient number, since it is larger than the sum of its proper divisors (54508361).

83430975 is a wasteful number, since it uses less digits than its factorization.

83430975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112426 (or 1112421 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 83430975 is about 9134.0557804296. The cubic root of 83430975 is about 436.9607614876.

The spelling of 83430975 in words is "eighty-three million, four hundred thirty thousand, nine hundred seventy-five".