80189952 has 160 divisors (see below), whose sum is σ = 235109952. Its totient is φ = 24182784.

The previous prime is 80189903. The next prime is 80189953. The reversal of 80189952 is 25998108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80189953) 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, 966103 + ... + 966185.

Almost surely, 2^80189952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80189952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117554976).

80189952 is an abundant number, since it is smaller than the sum of its proper divisors (154920000).

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

80189952 is a wasteful number, since it uses less digits than its factorization.

80189952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 80189952 is about 8954.8842538583. The cubic root of 80189952 is about 431.2277010944.

The spelling of 80189952 in words is "eighty million, one hundred eighty-nine thousand, nine hundred fifty-two".