83251889 has 8 divisors (see below), whose sum is σ = 95259840. Its totient is φ = 71272656.

The previous prime is 83251877. The next prime is 83251897. The reversal of 83251889 is 98815238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83251889 - 2⁸ = 83251633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83253889) 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, 554 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (11907480).

Almost surely, 2^83251889 is an apocalyptic number.

It is an amenable number.

83251889 is a deficient number, since it is larger than the sum of its proper divisors (12007951).

83251889 is a wasteful number, since it uses less digits than its factorization.

83251889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359.

The product of its digits is 138240, while the sum is 44.

The square root of 83251889 is about 9124.2473114225. The cubic root of 83251889 is about 436.6478896289.

The spelling of 83251889 in words is "eighty-three million, two hundred fifty-one thousand, eight hundred eighty-nine".