85804221476 has 6 divisors (see below), whose sum is σ = 150157387590. Its totient is φ = 42902110736.

The previous prime is 85804221439. The next prime is 85804221493. The reversal of 85804221476 is 67412240858.

It can be written as a sum of positive squares in only one way, i.e., 53051908900 + 32752312576 = 230330^2 + 180976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85804221476.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10725527681 + ... + 10725527688.

It is an arithmetic number, because the mean of its divisors is an integer number (25026231265).

Almost surely, 2^85804221476 is an apocalyptic number.

It is an amenable number.

85804221476 is a deficient number, since it is larger than the sum of its proper divisors (64353166114).

85804221476 is a wasteful number, since it uses less digits than its factorization.

85804221476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451055373 (or 21451055371 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 85804221476 in words is "eighty-five billion, eight hundred four million, two hundred twenty-one thousand, four hundred seventy-six".