83879699 has 8 divisors (see below), whose sum is σ = 88890000. Its totient is φ = 78928992.

The previous prime is 83879669. The next prime is 83879711. The reversal of 83879699 is 99697838.

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 83879699 - 2¹⁶ = 83814163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83879659) 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, 11984 + ... + 17645.

It is an arithmetic number, because the mean of its divisors is an integer number (11111250).

Almost surely, 2^83879699 is an apocalyptic number.

83879699 is a deficient number, since it is larger than the sum of its proper divisors (5010301).

83879699 is a wasteful number, since it uses less digits than its factorization.

83879699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29797.

The product of its digits is 5878656, while the sum is 59.

The square root of 83879699 is about 9158.5860808315. The cubic root of 83879699 is about 437.7427424620.

The spelling of 83879699 in words is "eighty-three million, eight hundred seventy-nine thousand, six hundred ninety-nine".