117673551 has 24 divisors (see below), whose sum is σ = 176017920. Its totient is φ = 75675600.

The previous prime is 117673537. The next prime is 117673559. The reversal of 117673551 is 155376711.

It is not a de Polignac number, because 117673551 - 2⁵ = 117673519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117673559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136560 + ... + 137418.

It is an arithmetic number, because the mean of its divisors is an integer number (7334080).

Almost surely, 2^117673551 is an apocalyptic number.

117673551 is a deficient number, since it is larger than the sum of its proper divisors (58344369).

117673551 is a wasteful number, since it uses less digits than its factorization.

117673551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1384 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 117673551 is about 10847.7440511841. The cubic root of 117673551 is about 490.0340820386.

The spelling of 117673551 in words is "one hundred seventeen million, six hundred seventy-three thousand, five hundred fifty-one".