83998613234 has 4 divisors (see below), whose sum is σ = 125997919854. Its totient is φ = 41999306616.

The previous prime is 83998613219. The next prime is 83998613243. The reversal of 83998613234 is 43231689938.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82595886025 + 1402727209 = 287395^2 + 37453^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83998613234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20999653307 + ... + 20999653310.

Almost surely, 2^83998613234 is an apocalyptic number.

83998613234 is a deficient number, since it is larger than the sum of its proper divisors (41999306620).

83998613234 is a wasteful number, since it uses less digits than its factorization.

83998613234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41999306619.

The product of its digits is 6718464, while the sum is 56.

The spelling of 83998613234 in words is "eighty-three billion, nine hundred ninety-eight million, six hundred thirteen thousand, two hundred thirty-four".