80272388 has 36 divisors (see below), whose sum is σ = 167843340. Its totient is φ = 33469632.

The previous prime is 80272337. The next prime is 80272399. The reversal of 80272388 is 88327208.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 40934404 = 6272^2 + 6398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1718 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (4662315).

Almost surely, 2^80272388 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 80272388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83921670).

80272388 is an abundant number, since it is smaller than the sum of its proper divisors (87570952).

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

80272388 is a wasteful number, since it uses less digits than its factorization.

80272388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11124 (or 11115 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 80272388 is about 8959.4859227525. The cubic root of 80272388 is about 431.3754191538.

The spelling of 80272388 in words is "eighty million, two hundred seventy-two thousand, three hundred eighty-eight".