86445554 has 16 divisors (see below), whose sum is σ = 146993280. Its totient is φ = 37797840.

The previous prime is 86445547. The next prime is 86445581. The reversal of 86445554 is 45554468.

It is a Curzon 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, 87002 + ... + 87989.

It is an arithmetic number, because the mean of its divisors is an integer number (9187080).

Almost surely, 2^86445554 is an apocalyptic number.

86445554 is a deficient number, since it is larger than the sum of its proper divisors (60547726).

86445554 is a wasteful number, since it uses less digits than its factorization.

86445554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175025.

The product of its digits is 384000, while the sum is 41.

The square root of 86445554 is about 9297.6101230370. The cubic root of 86445554 is about 442.1614617281.

The spelling of 86445554 in words is "eighty-six million, four hundred forty-five thousand, five hundred fifty-four".