80869018 has 16 divisors (see below), whose sum is σ = 125890560. Its totient is φ = 38919600.

The previous prime is 80869007. The next prime is 80869031. The reversal of 80869018 is 81096808.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8428 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (7868160).

Almost surely, 2^80869018 is an apocalyptic number.

80869018 is a deficient number, since it is larger than the sum of its proper divisors (45021542).

80869018 is a wasteful number, since it uses less digits than its factorization.

80869018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 80869018 is about 8992.7202780916. The cubic root of 80869018 is about 432.4415246101.

The spelling of 80869018 in words is "eighty million, eight hundred sixty-nine thousand, eighteen".