83959407 has 24 divisors (see below), whose sum is σ = 144628224. Its totient is φ = 45890064.

The previous prime is 83959399. The next prime is 83959409. The reversal of 83959407 is 70495938.

It is not a de Polignac number, because 83959407 - 2³ = 83959399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83959409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27523 + ... + 30420.

It is an arithmetic number, because the mean of its divisors is an integer number (6026176).

Almost surely, 2^83959407 is an apocalyptic number.

83959407 is a deficient number, since it is larger than the sum of its proper divisors (60668817).

83959407 is a wasteful number, since it uses less digits than its factorization.

83959407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57979 (or 57976 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 83959407 is about 9162.9365925996. The cubic root of 83959407 is about 437.8813558677.

The spelling of 83959407 in words is "eighty-three million, nine hundred fifty-nine thousand, four hundred seven".