86117398 has 4 divisors (see below), whose sum is σ = 129176100. Its totient is φ = 43058698.

The previous prime is 86117377. The next prime is 86117399. The reversal of 86117398 is 89371168.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86117399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21529348 + ... + 21529351.

It is an arithmetic number, because the mean of its divisors is an integer number (32294025).

Almost surely, 2^86117398 is an apocalyptic number.

86117398 is a deficient number, since it is larger than the sum of its proper divisors (43058702).

86117398 is a wasteful number, since it uses less digits than its factorization.

86117398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43058701.

The product of its digits is 72576, while the sum is 43.

The square root of 86117398 is about 9279.9460127740. The cubic root of 86117398 is about 441.6012558327.

The spelling of 86117398 in words is "eighty-six million, one hundred seventeen thousand, three hundred ninety-eight".