86870092493 has 4 divisors (see below), whose sum is σ = 86873396988. Its totient is φ = 86866788000.

The previous prime is 86870092471. The next prime is 86870092501. The reversal of 86870092493 is 39429007868.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14669327689 + 72200764804 = 121117^2 + 268702^2 .

It is a cyclic number.

It is not a de Polignac number, because 86870092493 - 2¹² = 86870088397 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 (86870092403) 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, 1612496 + ... + 1665497.

It is an arithmetic number, because the mean of its divisors is an integer number (21718349247).

Almost surely, 2^86870092493 is an apocalyptic number.

It is an amenable number.

86870092493 is a deficient number, since it is larger than the sum of its proper divisors (3304495).

86870092493 is a wasteful number, since it uses less digits than its factorization.

86870092493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304494.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 86870092493 in words is "eighty-six billion, eight hundred seventy million, ninety-two thousand, four hundred ninety-three".