86115958 has 4 divisors (see below), whose sum is σ = 129173940. Its totient is φ = 43057978.

The previous prime is 86115943. The next prime is 86115959. The reversal of 86115958 is 85951168.

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 (86115959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21528988 + ... + 21528991.

It is an arithmetic number, because the mean of its divisors is an integer number (32293485).

Almost surely, 2^86115958 is an apocalyptic number.

86115958 is a deficient number, since it is larger than the sum of its proper divisors (43057982).

86115958 is a wasteful number, since it uses less digits than its factorization.

86115958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057981.

The product of its digits is 86400, while the sum is 43.

The square root of 86115958 is about 9279.8684257914. The cubic root of 86115958 is about 441.5987944278.

The spelling of 86115958 in words is "eighty-six million, one hundred fifteen thousand, nine hundred fifty-eight".