86807447 has 8 divisors (see below), whose sum is σ = 92046000. Its totient is φ = 81635904.

The previous prime is 86807437. The next prime is 86807489. The reversal of 86807447 is 74470868.

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

It is a cyclic number.

It is not a de Polignac number, because 86807447 - 2⁴ = 86807431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86807398 and 86807407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86807437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14072 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (11505750).

Almost surely, 2^86807447 is an apocalyptic number.

86807447 is a deficient number, since it is larger than the sum of its proper divisors (5238553).

86807447 is a wasteful number, since it uses less digits than its factorization.

86807447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33505.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 86807447 is about 9317.0514112567. The cubic root of 86807447 is about 442.7776197382. Note that the first 3 decimals are identical.

The spelling of 86807447 in words is "eighty-six million, eight hundred seven thousand, four hundred forty-seven".