83959475 has 24 divisors (see below), whose sum is σ = 107857680. Its totient is φ = 64782720.

The previous prime is 83959459. The next prime is 83959487. The reversal of 83959475 is 57495938.

It is not a de Polignac number, because 83959475 - 2⁴ = 83959459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128249 + ... + 128901.

It is an arithmetic number, because the mean of its divisors is an integer number (4494070).

Almost surely, 2^83959475 is an apocalyptic number.

83959475 is a deficient number, since it is larger than the sum of its proper divisors (23898205).

83959475 is a wasteful number, since it uses less digits than its factorization.

83959475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 834 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 83959475 is about 9162.9403031996. The cubic root of 83959475 is about 437.8814740832.

The spelling of 83959475 in words is "eighty-three million, nine hundred fifty-nine thousand, four hundred seventy-five".