86508651427 has 4 divisors (see below), whose sum is σ = 94373074296. Its totient is φ = 78644228560.

The previous prime is 86508651413. The next prime is 86508651479. The reversal of 86508651427 is 72415680568.

It is a happy number.

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 86508651427 - 2¹¹ = 86508649379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86508651127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932211418 + ... + 3932211439.

It is an arithmetic number, because the mean of its divisors is an integer number (23593268574).

Almost surely, 2^86508651427 is an apocalyptic number.

86508651427 is a deficient number, since it is larger than the sum of its proper divisors (7864422869).

86508651427 is a wasteful number, since it uses less digits than its factorization.

86508651427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864422868.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 86508651427 in words is "eighty-six billion, five hundred eight million, six hundred fifty-one thousand, four hundred twenty-seven".