86128007 has 8 divisors (see below), whose sum is σ = 103612800. Its totient is φ = 69938424.

The previous prime is 86127991. The next prime is 86128019. The reversal of 86128007 is 70082168.

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 86128007 - 2⁴ = 86127991 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 (86128027) 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, 323657 + ... + 323922.

It is an arithmetic number, because the mean of its divisors is an integer number (12951600).

Almost surely, 2^86128007 is an apocalyptic number.

86128007 is a deficient number, since it is larger than the sum of its proper divisors (17484793).

86128007 is a wasteful number, since it uses less digits than its factorization.

86128007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647605.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 86128007 is about 9280.5176040995. The cubic root of 86128007 is about 441.6193890457.

The spelling of 86128007 in words is "eighty-six million, one hundred twenty-eight thousand, seven".