18099077 has 4 divisors (see below), whose sum is σ = 19051680. Its totient is φ = 17146476.

The previous prime is 18099061. The next prime is 18099131. The reversal of 18099077 is 77099081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18099077 - 2⁴ = 18099061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18099007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476273 + ... + 476310.

It is an arithmetic number, because the mean of its divisors is an integer number (4762920).

Almost surely, 2^18099077 is an apocalyptic number.

It is an amenable number.

18099077 is a deficient number, since it is larger than the sum of its proper divisors (952603).

18099077 is an equidigital number, since it uses as much as digits as its factorization.

18099077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952602.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 18099077 is about 4254.3010001644. The cubic root of 18099077 is about 262.5541028317.

The spelling of 18099077 in words is "eighteen million, ninety-nine thousand, seventy-seven".