83913559 has 12 divisors (see below), whose sum is σ = 89727480. Its totient is φ = 78380400.

The previous prime is 83913539. The next prime is 83913587. The reversal of 83913559 is 95531938.

It is not a de Polignac number, because 83913559 - 2¹⁵ = 83880791 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 (83913539) 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, 26364 + ... + 29374.

It is an arithmetic number, because the mean of its divisors is an integer number (7477290).

Almost surely, 2^83913559 is an apocalyptic number.

83913559 is a deficient number, since it is larger than the sum of its proper divisors (5813921).

83913559 is a wasteful number, since it uses less digits than its factorization.

83913559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102 (or 3071 counting only the distinct ones).

The product of its digits is 145800, while the sum is 43.

The square root of 83913559 is about 9160.4344329295. The cubic root of 83913559 is about 437.8016362327.

The spelling of 83913559 in words is "eighty-three million, nine hundred thirteen thousand, five hundred fifty-nine".