117377155 has 16 divisors (see below), whose sum is σ = 169447680. Its totient is φ = 76250592.

The previous prime is 117377153. The next prime is 117377159. The reversal of 117377155 is 551773711.

It is a cyclic number.

It is not a de Polignac number, because 117377155 - 2¹ = 117377153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117377153) 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, 87589 + ... + 88918.

It is an arithmetic number, because the mean of its divisors is an integer number (10590480).

Almost surely, 2^117377155 is an apocalyptic number.

117377155 is a deficient number, since it is larger than the sum of its proper divisors (52070525).

117377155 is a wasteful number, since it uses less digits than its factorization.

117377155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176538.

The product of its digits is 25725, while the sum is 37.

The square root of 117377155 is about 10834.0737952074. The cubic root of 117377155 is about 489.6223036954.

The spelling of 117377155 in words is "one hundred seventeen million, three hundred seventy-seven thousand, one hundred fifty-five".