86808445 has 8 divisors (see below), whose sum is σ = 104221440. Its totient is φ = 69412560.

The previous prime is 86808433. The next prime is 86808479. The reversal of 86808445 is 54480868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86808445 - 2¹³ = 86800253 is a prime.

It is a super-2 number, since 2×86808445² = 15071412246636050, which contains 22 as substring.

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, 13980 + ... + 19210.

It is an arithmetic number, because the mean of its divisors is an integer number (13027680).

Almost surely, 2^86808445 is an apocalyptic number.

It is an amenable number.

86808445 is a deficient number, since it is larger than the sum of its proper divisors (17412995).

86808445 is a wasteful number, since it uses less digits than its factorization.

86808445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 86808445 is about 9317.1049688194. The cubic root of 86808445 is about 442.7793165602.

The spelling of 86808445 in words is "eighty-six million, eight hundred eight thousand, four hundred forty-five".