117157775 has 36 divisors (see below), whose sum is σ = 171964440. Its totient is φ = 78926400.

The previous prime is 117157771. The next prime is 117157823. The reversal of 117157775 is 577751711.

It is not a de Polignac number, because 117157775 - 2² = 117157771 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117157771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71465 + ... + 73085.

It is an arithmetic number, because the mean of its divisors is an integer number (4776790).

Almost surely, 2^117157775 is an apocalyptic number.

117157775 is a deficient number, since it is larger than the sum of its proper divisors (54806665).

117157775 is a wasteful number, since it uses less digits than its factorization.

117157775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1692 counting only the distinct ones).

The product of its digits is 60025, while the sum is 41.

The square root of 117157775 is about 10823.9445212917. The cubic root of 117157775 is about 489.3170758461.

The spelling of 117157775 in words is "one hundred seventeen million, one hundred fifty-seven thousand, seven hundred seventy-five".