18870701854 has 8 divisors (see below), whose sum is σ = 29536750800. Its totient is φ = 9025118256.

The previous prime is 18870701783. The next prime is 18870701869. The reversal of 18870701854 is 45810707881.

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

It is a super-2 number, since 2×18870701854² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18870701798 and 18870701807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205116279 + ... + 205116370.

It is an arithmetic number, because the mean of its divisors is an integer number (3692093850).

Almost surely, 2^18870701854 is an apocalyptic number.

18870701854 is a deficient number, since it is larger than the sum of its proper divisors (10666048946).

18870701854 is a wasteful number, since it uses less digits than its factorization.

18870701854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410232674.

The product of its (nonzero) digits is 501760, while the sum is 49.

The spelling of 18870701854 in words is "eighteen billion, eight hundred seventy million, seven hundred one thousand, eight hundred fifty-four".