83998613235 has 32 divisors (see below), whose sum is σ = 141350842368. Its totient is φ = 42536108160.

The previous prime is 83998613219. The next prime is 83998613243. The reversal of 83998613235 is 53231689938.

It is a happy number.

It is not a de Polignac number, because 83998613235 - 2⁴ = 83998613219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679527 + ... + 1728816.

It is an arithmetic number, because the mean of its divisors is an integer number (4417213824).

Almost surely, 2^83998613235 is an apocalyptic number.

83998613235 is a deficient number, since it is larger than the sum of its proper divisors (57352229133).

83998613235 is a wasteful number, since it uses less digits than its factorization.

83998613235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408435.

The product of its digits is 8398080, while the sum is 57.

The spelling of 83998613235 in words is "eighty-three billion, nine hundred ninety-eight million, six hundred thirteen thousand, two hundred thirty-five".