83983507 has 8 divisors (see below), whose sum is σ = 88071840. Its totient is φ = 79974720.

The previous prime is 83983483. The next prime is 83983513. The reversal of 83983507 is 70538938.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83983507 - 2⁷ = 83983379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83983547) 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, 17719 + ... + 21952.

It is an arithmetic number, because the mean of its divisors is an integer number (11008980).

Almost surely, 2^83983507 is an apocalyptic number.

83983507 is a deficient number, since it is larger than the sum of its proper divisors (4088333).

83983507 is a wasteful number, since it uses less digits than its factorization.

83983507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39773.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 83983507 is about 9164.2515788252. The cubic root of 83983507 is about 437.9232488550.

The spelling of 83983507 in words is "eighty-three million, nine hundred eighty-three thousand, five hundred seven".