86211331604 has 12 divisors (see below), whose sum is σ = 150880465428. Its totient is φ = 43102627200.

The previous prime is 86211331601. The next prime is 86211331663. The reversal of 86211331604 is 40613311268.

It can be written as a sum of positive squares in 2 ways, for example, as 43052100100 + 43159231504 = 207490^2 + 207748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86211331601) 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, 695207 + ... + 809774.

It is an arithmetic number, because the mean of its divisors is an integer number (12573372119).

Almost surely, 2^86211331604 is an apocalyptic number.

It is an amenable number.

86211331604 is a deficient number, since it is larger than the sum of its proper divisors (64669133824).

86211331604 is a wasteful number, since it uses less digits than its factorization.

86211331604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519306 (or 1519304 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 86211331604 in words is "eighty-six billion, two hundred eleven million, three hundred thirty-one thousand, six hundred four".