8117955 has 16 divisors (see below), whose sum is σ = 14432160. Its totient is φ = 4329504.

The previous prime is 8117951. The next prime is 8117969. The reversal of 8117955 is 5597118.

It is not a de Polignac number, because 8117955 - 2² = 8117951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8117951) 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, 29932 + ... + 30201.

It is an arithmetic number, because the mean of its divisors is an integer number (902010).

Almost surely, 2^8117955 is an apocalyptic number.

8117955 is a deficient number, since it is larger than the sum of its proper divisors (6314205).

8117955 is a wasteful number, since it uses less digits than its factorization.

8117955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60147 (or 60141 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The square root of 8117955 is about 2849.2025200045. The cubic root of 8117955 is about 200.9781664856.

The spelling of 8117955 in words is "eight million, one hundred seventeen thousand, nine hundred fifty-five".