117770566 has 8 divisors (see below), whose sum is σ = 182747520. Its totient is φ = 56854728.

The previous prime is 117770563. The next prime is 117770591. The reversal of 117770566 is 665077711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117770561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015206 + ... + 1015321.

It is an arithmetic number, because the mean of its divisors is an integer number (22843440).

Almost surely, 2^117770566 is an apocalyptic number.

117770566 is a deficient number, since it is larger than the sum of its proper divisors (64976954).

117770566 is a wasteful number, since it uses less digits than its factorization.

117770566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030558.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 117770566 is about 10852.2147969896. The cubic root of 117770566 is about 490.1687132485.

It can be divided in two parts, 117770 and 566, that added together give a square (118336 = 344²).

The spelling of 117770566 in words is "one hundred seventeen million, seven hundred seventy thousand, five hundred sixty-six".