117556705 has 16 divisors (see below), whose sum is σ = 169706880. Its totient is φ = 76367232.

The previous prime is 117556697. The next prime is 117556723. The reversal of 117556705 is 507655711.

It is not a de Polignac number, because 117556705 - 2³ = 117556697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87724 + ... + 89053.

It is an arithmetic number, because the mean of its divisors is an integer number (10606680).

Almost surely, 2^117556705 is an apocalyptic number.

It is an amenable number.

117556705 is a deficient number, since it is larger than the sum of its proper divisors (52150175).

117556705 is a wasteful number, since it uses less digits than its factorization.

117556705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176808.

The product of its (nonzero) digits is 36750, while the sum is 37.

The square root of 117556705 is about 10842.3569854529. The cubic root of 117556705 is about 489.8718323678.

The spelling of 117556705 in words is "one hundred seventeen million, five hundred fifty-six thousand, seven hundred five".