80276544 has 42 divisors (see below), whose sum is σ = 230099870. Its totient is φ = 26758656.

The previous prime is 80276543. The next prime is 80276551. The reversal of 80276544 is 44567208.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 24206400 = 7488^2 + 4920^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80276499 and 80276508.

It is not an unprimeable number, because it can be changed into a prime (80276543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69109 + ... + 70260.

Almost surely, 2^80276544 is an apocalyptic number.

It is an amenable number.

80276544 is an abundant number, since it is smaller than the sum of its proper divisors (149823326).

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

80276544 is a wasteful number, since it uses less digits than its factorization.

80276544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139387 (or 139374 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 80276544 is about 8959.7178527005. The cubic root of 80276544 is about 431.3828636618.

The spelling of 80276544 in words is "eighty million, two hundred seventy-six thousand, five hundred forty-four".