18770099331 has 8 divisors (see below), whose sum is σ = 25217843904. Its totient is φ = 12417877160.

The previous prime is 18770099317. The next prime is 18770099333. The reversal of 18770099331 is 13399007781.

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

It is a cyclic number.

It is not a de Polignac number, because 18770099331 - 2¹⁵ = 18770066563 is a prime.

It is a super-2 number, since 2×18770099331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18770099333) 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, 23880141 + ... + 23880926.

It is an arithmetic number, because the mean of its divisors is an integer number (3152230488).

Almost surely, 2^18770099331 is an apocalyptic number.

18770099331 is a deficient number, since it is larger than the sum of its proper divisors (6447744573).

18770099331 is a wasteful number, since it uses less digits than its factorization.

18770099331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47761201.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 18770099331 in words is "eighteen billion, seven hundred seventy million, ninety-nine thousand, three hundred thirty-one".