18780094895 has 32 divisors (see below), whose sum is σ = 24118819200. Its totient is φ = 14003292160.

The previous prime is 18780094867. The next prime is 18780094919. The reversal of 18780094895 is 59849008781.

It is not a de Polignac number, because 18780094895 - 2⁶ = 18780094831 is a prime.

It is a super-2 number, since 2×18780094895² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4944137 + ... + 4947933.

It is an arithmetic number, because the mean of its divisors is an integer number (753713100).

Almost surely, 2^18780094895 is an apocalyptic number.

18780094895 is a deficient number, since it is larger than the sum of its proper divisors (5338724305).

18780094895 is a wasteful number, since it uses less digits than its factorization.

18780094895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915.

The product of its (nonzero) digits is 5806080, while the sum is 59.

The spelling of 18780094895 in words is "eighteen billion, seven hundred eighty million, ninety-four thousand, eight hundred ninety-five".