171887048 has 8 divisors (see below), whose sum is σ = 322288230. Its totient is φ = 85943520.

The previous prime is 171887029. The next prime is 171887057. The reversal of 171887048 is 840788171.

171887048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152720164 + 19166884 = 12358^2 + 4378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10742933 + ... + 10742948.

Almost surely, 2^171887048 is an apocalyptic number.

It is an amenable number.

171887048 is a deficient number, since it is larger than the sum of its proper divisors (150401182).

171887048 is a wasteful number, since it uses less digits than its factorization.

171887048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21485887 (or 21485883 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 171887048 is about 13110.5700867659. The cubic root of 171887048 is about 556.0080136174.

The spelling of 171887048 in words is "one hundred seventy-one million, eight hundred eighty-seven thousand, forty-eight".