86445801 has 48 divisors (see below), whose sum is σ = 145512640. Its totient is φ = 48988800.

The previous prime is 86445787. The next prime is 86445803. The reversal of 86445801 is 10854468.

86445801 is a `hidden beast` number, since 8 + 644 + 5 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 86445801 - 2⁵ = 86445769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86445803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81726 + ... + 82776.

Almost surely, 2^86445801 is an apocalyptic number.

It is an amenable number.

86445801 is a deficient number, since it is larger than the sum of its proper divisors (59066839).

86445801 is a wasteful number, since it uses less digits than its factorization.

86445801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 86445801 is about 9297.6234060108. The cubic root of 86445801 is about 442.1618828555.

It can be divided in two parts, 864 and 45801, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 86445801 in words is "eighty-six million, four hundred forty-five thousand, eight hundred one".