86117730 has 16 divisors (see below), whose sum is σ = 206682624. Its totient is φ = 22964720.

The previous prime is 86117723. The next prime is 86117737. The reversal of 86117730 is 3771168.

It is an interprime number because it is at equal distance from previous prime (86117723) and next prime (86117737).

It is a junction number, because it is equal to n+sod(n) for n = 86117691 and 86117700.

It is not an unprimeable number, because it can be changed into a prime (86117737) 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, 1435266 + ... + 1435325.

It is an arithmetic number, because the mean of its divisors is an integer number (12917664).

Almost surely, 2^86117730 is an apocalyptic number.

86117730 is an abundant number, since it is smaller than the sum of its proper divisors (120564894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86117730 is a wasteful number, since it uses less digits than its factorization.

86117730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870601.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 86117730 is about 9279.9639007919. The cubic root of 86117730 is about 441.6018233194.

Adding to 86117730 its reverse (3771168), we get a palindrome (89888898).

The spelling of 86117730 in words is "eighty-six million, one hundred seventeen thousand, seven hundred thirty".