80889616 has 10 divisors (see below), whose sum is σ = 156723662. Its totient is φ = 40444800.

The previous prime is 80889583. The next prime is 80889617. The reversal of 80889616 is 61698808.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 1679616 = 8900^2 + 1296^2 .

It is not an unprimeable number, because it can be changed into a prime (80889617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527785 + ... + 2527816.

Almost surely, 2^80889616 is an apocalyptic number.

It is an amenable number.

80889616 is a deficient number, since it is larger than the sum of its proper divisors (75834046).

80889616 is a wasteful number, since it uses less digits than its factorization.

80889616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055609 (or 5055603 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 80889616 is about 8993.8654648599. The cubic root of 80889616 is about 432.4782369572.

The spelling of 80889616 in words is "eighty million, eight hundred eighty-nine thousand, six hundred sixteen".