117151783 has 16 divisors (see below), whose sum is σ = 137712960. Its totient is φ = 97583616.

The previous prime is 117151747. The next prime is 117151789. The reversal of 117151783 is 387151711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117151783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117151789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38991 + ... + 41887.

It is an arithmetic number, because the mean of its divisors is an integer number (8607060).

Almost surely, 2^117151783 is an apocalyptic number.

117151783 is a deficient number, since it is larger than the sum of its proper divisors (20561177).

117151783 is a wasteful number, since it uses less digits than its factorization.

117151783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its digits is 5880, while the sum is 34.

The square root of 117151783 is about 10823.6677240204. The cubic root of 117151783 is about 489.3087337112.

The spelling of 117151783 in words is "one hundred seventeen million, one hundred fifty-one thousand, seven hundred eighty-three".