187845481057 has 8 divisors (see below), whose sum is σ = 208820783360. Its totient is φ = 167802414480.

The previous prime is 187845481051. The next prime is 187845481079. The reversal of 187845481057 is 750184548781.

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 187845481057 - 2³⁵ = 153485742689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187845480992 and 187845481010.

It is not an unprimeable number, because it can be changed into a prime (187845481051) 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, 233058507 + ... + 233059312.

It is an arithmetic number, because the mean of its divisors is an integer number (26102597920).

Almost surely, 2^187845481057 is an apocalyptic number.

It is an amenable number.

187845481057 is a deficient number, since it is larger than the sum of its proper divisors (20975302303).

187845481057 is a wasteful number, since it uses less digits than its factorization.

187845481057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466117863.

The product of its (nonzero) digits is 10035200, while the sum is 58.

The spelling of 187845481057 in words is "one hundred eighty-seven billion, eight hundred forty-five million, four hundred eighty-one thousand, fifty-seven".