83910475 has 18 divisors (see below), whose sum is σ = 114372020. Its totient is φ = 61023600.

The previous prime is 83910473. The next prime is 83910481. The reversal of 83910475 is 57401938.

It is not a de Polignac number, because 83910475 - 2¹ = 83910473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83910473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10845 + ... + 16894.

Almost surely, 2^83910475 is an apocalyptic number.

83910475 is a deficient number, since it is larger than the sum of its proper divisors (30461545).

83910475 is a wasteful number, since it uses less digits than its factorization.

83910475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771 (or 27755 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 83910475 is about 9160.2660987550. The cubic root of 83910475 is about 437.7962727897.

The spelling of 83910475 in words is "eighty-three million, nine hundred ten thousand, four hundred seventy-five".