18880799 has 8 divisors (see below), whose sum is σ = 21621888. Its totient is φ = 16150680.

The previous prime is 18880789. The next prime is 18880819. The reversal of 18880799 is 99708881.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18880799 - 2¹² = 18876703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18880739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 6294.

It is an arithmetic number, because the mean of its divisors is an integer number (2702736).

Almost surely, 2^18880799 is an apocalyptic number.

18880799 is a deficient number, since it is larger than the sum of its proper divisors (2741089).

18880799 is an equidigital number, since it uses as much as digits as its factorization.

18880799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 18880799 is about 4345.2041378973. The cubic root of 18880799 is about 266.2809654890.

The spelling of 18880799 in words is "eighteen million, eight hundred eighty thousand, seven hundred ninety-nine".