117005816 has 8 divisors (see below), whose sum is σ = 219385920. Its totient is φ = 58502904.

The previous prime is 117005813. The next prime is 117005851. The reversal of 117005816 is 618500711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117005813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7312856 + ... + 7312871.

It is an arithmetic number, because the mean of its divisors is an integer number (27423240).

Almost surely, 2^117005816 is an apocalyptic number.

It is an amenable number.

117005816 is a deficient number, since it is larger than the sum of its proper divisors (102380104).

117005816 is a wasteful number, since it uses less digits than its factorization.

117005816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625733 (or 14625729 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 117005816 is about 10816.9226677461. The cubic root of 117005816 is about 489.1054287617.

The spelling of 117005816 in words is "one hundred seventeen million, five thousand, eight hundred sixteen".