86450407 has 4 divisors (see below), whose sum is σ = 87243640. Its totient is φ = 85657176.

The previous prime is 86450347. The next prime is 86450443. The reversal of 86450407 is 70405468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86450407 - 2²³ = 78061799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80450407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396453 + ... + 396670.

It is an arithmetic number, because the mean of its divisors is an integer number (21810910).

Almost surely, 2^86450407 is an apocalyptic number.

86450407 is a deficient number, since it is larger than the sum of its proper divisors (793233).

86450407 is a wasteful number, since it uses less digits than its factorization.

86450407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793232.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 86450407 is about 9297.8711004186. The cubic root of 86450407 is about 442.1697357970.

The spelling of 86450407 in words is "eighty-six million, four hundred fifty thousand, four hundred seven".