80809002 has 40 divisors (see below), whose sum is σ = 186924672. Its totient is φ = 26065800.

The previous prime is 80808977. The next prime is 80809019. The reversal of 80809002 is 20090808.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3024 + ... + 13067.

Almost surely, 2^80809002 is an apocalyptic number.

80809002 is an abundant number, since it is smaller than the sum of its proper divisors (106115670).

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

80809002 is a wasteful number, since it uses less digits than its factorization.

80809002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136 (or 16127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80809002 is about 8989.3827374298. The cubic root of 80809002 is about 432.3345209880.

The spelling of 80809002 in words is "eighty million, eight hundred nine thousand, two".