80889784 has 16 divisors (see below), whose sum is σ = 152212320. Its totient is φ = 40299840.

The previous prime is 80889727. The next prime is 80889793. The reversal of 80889784 is 48798808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15744 + ... + 20239.

It is an arithmetic number, because the mean of its divisors is an integer number (9513270).

Almost surely, 2^80889784 is an apocalyptic number.

It is an amenable number.

80889784 is a deficient number, since it is larger than the sum of its proper divisors (71322536).

80889784 is a wasteful number, since it uses less digits than its factorization.

80889784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36270 (or 36266 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 80889784 is about 8993.8748045545. The cubic root of 80889784 is about 432.4785363623.

The spelling of 80889784 in words is "eighty million, eight hundred eighty-nine thousand, seven hundred eighty-four".