187694890054 has 8 divisors (see below), whose sum is σ = 321762668688. Its totient is φ = 80440667160.

The previous prime is 187694890003. The next prime is 187694890091. The reversal of 187694890054 is 450098496781.

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

It is a junction number, because it is equal to n+sod(n) for n = 187694889974 and 187694890001.

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, 6703388917 + ... + 6703388944.

It is an arithmetic number, because the mean of its divisors is an integer number (40220333586).

Almost surely, 2^187694890054 is an apocalyptic number.

187694890054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

187694890054 is a deficient number, since it is larger than the sum of its proper divisors (134067778634).

187694890054 is a wasteful number, since it uses less digits than its factorization.

187694890054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406777870.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 187694890054 in words is "one hundred eighty-seven billion, six hundred ninety-four million, eight hundred ninety thousand, fifty-four".