80764544 has 96 divisors (see below), whose sum is σ = 190699200. Its totient is φ = 33965568.

The previous prime is 80764543. The next prime is 80764577. The reversal of 80764544 is 44546708.

It is a junction number, because it is equal to n+sod(n) for n = 80764498 and 80764507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80764543) 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, 495407 + ... + 495569.

It is an arithmetic number, because the mean of its divisors is an integer number (1986450).

Almost surely, 2^80764544 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 80764544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95349600).

80764544 is an abundant number, since it is smaller than the sum of its proper divisors (109934656).

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

80764544 is a wasteful number, since it uses less digits than its factorization.

80764544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 80764544 is about 8986.9095911776. The cubic root of 80764544 is about 432.2552218441.

The spelling of 80764544 in words is "eighty million, seven hundred sixty-four thousand, five hundred forty-four".