117861064 has 8 divisors (see below), whose sum is σ = 220989510. Its totient is φ = 58930528.

The previous prime is 117861053. The next prime is 117861067. The reversal of 117861064 is 460168711.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 6980164 = 10530^2 + 2642^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117861067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7366309 + ... + 7366324.

Almost surely, 2^117861064 is an apocalyptic number.

It is an amenable number.

117861064 is a deficient number, since it is larger than the sum of its proper divisors (103128446).

117861064 is a wasteful number, since it uses less digits than its factorization.

117861064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732639 (or 14732635 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 117861064 is about 10856.3835599153. The cubic root of 117861064 is about 490.2942339460.

The spelling of 117861064 in words is "one hundred seventeen million, eight hundred sixty-one thousand, sixty-four".