80837632 has 44 divisors (see below), whose sum is σ = 163596240. Its totient is φ = 39919616.

The previous prime is 80837629. The next prime is 80837639. The reversal of 80837632 is 23673808.

It is a junction number, because it is equal to n+sod(n) for n = 80837591 and 80837600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80837639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90693 + ... + 91579.

Almost surely, 2^80837632 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 80837632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81798120).

80837632 is an abundant number, since it is smaller than the sum of its proper divisors (82758608).

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

80837632 is an equidigital number, since it uses as much as digits as its factorization.

80837632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 80837632 is about 8990.9750305515. The cubic root of 80837632 is about 432.3855725439.

The spelling of 80837632 in words is "eighty million, eight hundred thirty-seven thousand, six hundred thirty-two".