86207855 has 4 divisors (see below), whose sum is σ = 103449432. Its totient is φ = 68966280.

The previous prime is 86207837. The next prime is 86207873. The reversal of 86207855 is 55870268.

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

It is an interprime number because it is at equal distance from previous prime (86207837) and next prime (86207873).

It is not a de Polignac number, because 86207855 - 2¹² = 86203759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8620781 + ... + 8620790.

It is an arithmetic number, because the mean of its divisors is an integer number (25862358).

Almost surely, 2^86207855 is an apocalyptic number.

86207855 is a deficient number, since it is larger than the sum of its proper divisors (17241577).

86207855 is a wasteful number, since it uses less digits than its factorization.

86207855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17241576.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 86207855 is about 9284.8185227284. The cubic root of 86207855 is about 441.7558198255.

The spelling of 86207855 in words is "eighty-six million, two hundred seven thousand, eight hundred fifty-five".