87692340653 has 4 divisors (see below), whose sum is σ = 88596385500. Its totient is φ = 86788295808.

The previous prime is 87692340647. The next prime is 87692340667. The reversal of 87692340653 is 35604329678.

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 27000076489 + 60692264164 = 164317^2 + 246358^2 .

It is a cyclic number.

It is not a de Polignac number, because 87692340653 - 2²⁸ = 87423905197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87692340595 and 87692340604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87692340623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452022278 + ... + 452022471.

It is an arithmetic number, because the mean of its divisors is an integer number (22149096375).

Almost surely, 2^87692340653 is an apocalyptic number.

It is an amenable number.

87692340653 is a deficient number, since it is larger than the sum of its proper divisors (904044847).

87692340653 is an equidigital number, since it uses as much as digits as its factorization.

87692340653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904044846.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 87692340653 in words is "eighty-seven billion, six hundred ninety-two million, three hundred forty thousand, six hundred fifty-three".