85622668562 has 6 divisors (see below), whose sum is σ = 128434623573. Its totient is φ = 42811127372.

The previous prime is 85622668543. The next prime is 85622668591. The reversal of 85622668562 is 26586622658.

It can be written as a sum of positive squares in 2 ways, for example, as 84582670561 + 1039998001 = 290831^2 + 32249^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=206909.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85622668498 and 85622668507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 310364 + ... + 517272.

Almost surely, 2^85622668562 is an apocalyptic number.

85622668562 is a deficient number, since it is larger than the sum of its proper divisors (42811955011).

85622668562 is an frugal number, since it uses more digits than its factorization.

85622668562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413820 (or 206911 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 85622668562 in words is "eighty-five billion, six hundred twenty-two million, six hundred sixty-eight thousand, five hundred sixty-two".