86214886525 has 6 divisors (see below), whose sum is σ = 106906459322. Its totient is φ = 68971909200.

The previous prime is 86214886423. The next prime is 86214886561. The reversal of 86214886525 is 52568841268.

It can be written as a sum of positive squares in 3 ways, for example, as 16530502041 + 69684384484 = 128571^2 + 263978^2 .

It is not a de Polignac number, because 86214886525 - 2²¹ = 86212789373 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 5 ways as a sum of consecutive naturals, for example, 1724297706 + ... + 1724297755.

Almost surely, 2^86214886525 is an apocalyptic number.

It is an amenable number.

86214886525 is a deficient number, since it is larger than the sum of its proper divisors (20691572797).

86214886525 is a wasteful number, since it uses less digits than its factorization.

86214886525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448595471 (or 3448595466 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 55.

The spelling of 86214886525 in words is "eighty-six billion, two hundred fourteen million, eight hundred eighty-six thousand, five hundred twenty-five".