83117995 has 8 divisors (see below), whose sum is σ = 99790560. Its totient is φ = 66461760.

The previous prime is 83117987. The next prime is 83117999. The reversal of 83117995 is 59971138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83117995 - 2³ = 83117987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83117999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17530 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (12473820).

Almost surely, 2^83117995 is an apocalyptic number.

83117995 is a deficient number, since it is larger than the sum of its proper divisors (16672565).

83117995 is a wasteful number, since it uses less digits than its factorization.

83117995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165.

The product of its digits is 68040, while the sum is 43.

The square root of 83117995 is about 9116.9070961593. The cubic root of 83117995 is about 436.4136771119.

The spelling of 83117995 in words is "eighty-three million, one hundred seventeen thousand, nine hundred ninety-five".