80849152 has 36 divisors (see below), whose sum is σ = 162058540. Its totient is φ = 40255488.

The previous prime is 80849149. The next prime is 80849173. The reversal of 80849152 is 25194808.

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 72182016 = 2944^2 + 8496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79624 + ... + 80632.

Almost surely, 2^80849152 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 80849152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81029270).

80849152 is an abundant number, since it is smaller than the sum of its proper divisors (81209388).

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

80849152 is a wasteful number, since it uses less digits than its factorization.

80849152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 80849152 is about 8991.6156501488. The cubic root of 80849152 is about 432.4061110195.

The spelling of 80849152 in words is "eighty million, eight hundred forty-nine thousand, one hundred fifty-two".