86875421427 has 30 divisors (see below), whose sum is σ = 131746760684. Its totient is φ = 57038256000.

The previous prime is 86875421417. The next prime is 86875421429. The reversal of 86875421427 is 72412457868.

86875421427 is a `hidden beast` number, since 8 + 6 + 87 + 542 + 14 + 2 + 7 = 666.

It is not a de Polignac number, because 86875421427 - 2⁷ = 86875421299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86875421429) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 21711427 + ... + 21715427.

Almost surely, 2^86875421427 is an apocalyptic number.

86875421427 is a deficient number, since it is larger than the sum of its proper divisors (44871339257).

86875421427 is an frugal number, since it uses more digits than its factorization.

86875421427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081 (or 4071 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 86875421427 in words is "eighty-six billion, eight hundred seventy-five million, four hundred twenty-one thousand, four hundred twenty-seven".