86425687 has 4 divisors (see below), whose sum is σ = 86449536. Its totient is φ = 86401840.

The previous prime is 86425679. The next prime is 86425693. The reversal of 86425687 is 78652468.

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 86425687 - 2³ = 86425679 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 (86425607) 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, 5239 + ... + 14152.

It is an arithmetic number, because the mean of its divisors is an integer number (21612384).

Almost surely, 2^86425687 is an apocalyptic number.

86425687 is a deficient number, since it is larger than the sum of its proper divisors (23849).

86425687 is a wasteful number, since it uses less digits than its factorization.

86425687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23848.

The product of its digits is 645120, while the sum is 46.

The square root of 86425687 is about 9296.5416688143. The cubic root of 86425687 is about 442.1275864760.

The spelling of 86425687 in words is "eighty-six million, four hundred twenty-five thousand, six hundred eighty-seven".