80453982 has 24 divisors (see below), whose sum is σ = 187179336. Its totient is φ = 22986768.

The previous prime is 80453951. The next prime is 80453983. The reversal of 80453982 is 28935408.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80453982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80453983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136533 + ... + 137120.

It is an arithmetic number, because the mean of its divisors is an integer number (7799139).

Almost surely, 2^80453982 is an apocalyptic number.

80453982 is an abundant number, since it is smaller than the sum of its proper divisors (106725354).

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

80453982 is a wasteful number, since it uses less digits than its factorization.

80453982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273672 (or 273665 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 80453982 is about 8969.6143729817. The cubic root of 80453982 is about 431.7004632252.

The spelling of 80453982 in words is "eighty million, four hundred fifty-three thousand, nine hundred eighty-two".