86445798 has 16 divisors (see below), whose sum is σ = 173272176. Its totient is φ = 28751840.

The previous prime is 86445787. The next prime is 86445803. The reversal of 86445798 is 89754468.

It is a self number, because there is not a number n which added to its sum of digits gives 86445798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12861 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (10829511).

Almost surely, 2^86445798 is an apocalyptic number.

86445798 is an abundant number, since it is smaller than the sum of its proper divisors (86826378).

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

86445798 is a wasteful number, since it uses less digits than its factorization.

86445798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31719.

The product of its digits is 1935360, while the sum is 51.

The square root of 86445798 is about 9297.6232446793. The cubic root of 86445798 is about 442.1618777406.

The spelling of 86445798 in words is "eighty-six million, four hundred forty-five thousand, seven hundred ninety-eight".