86251678 has 16 divisors (see below), whose sum is σ = 136437840. Its totient is φ = 40780800.

The previous prime is 86251673. The next prime is 86251681. The reversal of 86251678 is 87615268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86251673) 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 in 7 ways as a sum of consecutive naturals, for example, 22588 + ... + 26128.

It is an arithmetic number, because the mean of its divisors is an integer number (8527365).

Almost surely, 2^86251678 is an apocalyptic number.

86251678 is a deficient number, since it is larger than the sum of its proper divisors (50186162).

86251678 is a wasteful number, since it uses less digits than its factorization.

86251678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203.

The product of its digits is 161280, while the sum is 43.

The square root of 86251678 is about 9287.1781505471. The cubic root of 86251678 is about 441.8306613655.

The spelling of 86251678 in words is "eighty-six million, two hundred fifty-one thousand, six hundred seventy-eight".