86220274685 has 16 divisors (see below), whose sum is σ = 108038641536. Its totient is φ = 65930893248.

The previous prime is 86220274661. The next prime is 86220274691. The reversal of 86220274685 is 58647202268.

It is a happy number.

It is not a de Polignac number, because 86220274685 - 2¹⁰ = 86220273661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98594 + ... + 426803.

It is an arithmetic number, because the mean of its divisors is an integer number (6752415096).

Almost surely, 2^86220274685 is an apocalyptic number.

It is an amenable number.

86220274685 is a deficient number, since it is larger than the sum of its proper divisors (21818366851).

86220274685 is a wasteful number, since it uses less digits than its factorization.

86220274685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526852.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 86220274685 in words is "eighty-six billion, two hundred twenty million, two hundred seventy-four thousand, six hundred eighty-five".