80988884 has 12 divisors (see below), whose sum is σ = 150067764. Its totient is φ = 38112384.

The previous prime is 80988883. The next prime is 80988913. The reversal of 80988884 is 48888908.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 22771984 = 7630^2 + 4772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80988881) 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, 595439 + ... + 595574.

It is an arithmetic number, because the mean of its divisors is an integer number (12505647).

Almost surely, 2^80988884 is an apocalyptic number.

It is an amenable number.

80988884 is a deficient number, since it is larger than the sum of its proper divisors (69078880).

80988884 is a wasteful number, since it uses less digits than its factorization.

80988884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191034 (or 1191032 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 53.

The square root of 80988884 is about 8999.3824232555. The cubic root of 80988884 is about 432.6550775371.

The spelling of 80988884 in words is "eighty million, nine hundred eighty-eight thousand, eight hundred eighty-four".