173053887 has 16 divisors (see below), whose sum is σ = 237029760. Its totient is φ = 112244832.

The previous prime is 173053877. The next prime is 173053891. The reversal of 173053887 is 788350371.

It is not a de Polignac number, because 173053887 - 2⁴ = 173053871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173053877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32208 + ... + 37194.

It is an arithmetic number, because the mean of its divisors is an integer number (14814360).

Almost surely, 2^173053887 is an apocalyptic number.

173053887 is a deficient number, since it is larger than the sum of its proper divisors (63975873).

173053887 is a wasteful number, since it uses less digits than its factorization.

173053887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 173053887 is about 13154.9947548450. The cubic root of 173053887 is about 557.2633133652.

The spelling of 173053887 in words is "one hundred seventy-three million, fifty-three thousand, eight hundred eighty-seven".