83885758434 has 32 divisors (see below), whose sum is σ = 187008402240. Its totient is φ = 27872578656.

The previous prime is 83885758433. The next prime is 83885758519. The reversal of 83885758434 is 43485758838.

It is not an unprimeable number, because it can be changed into a prime (83885758433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464632 + ... + 2498435.

It is an arithmetic number, because the mean of its divisors is an integer number (5844012570).

Almost surely, 2^83885758434 is an apocalyptic number.

83885758434 is an abundant number, since it is smaller than the sum of its proper divisors (103122643806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83885758434 is a wasteful number, since it uses less digits than its factorization.

83885758434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963391 (or 4963385 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 63.

The spelling of 83885758434 in words is "eighty-three billion, eight hundred eighty-five million, seven hundred fifty-eight thousand, four hundred thirty-four".