85942228804 has 6 divisors (see below), whose sum is σ = 150398900414. Its totient is φ = 42971114400.

The previous prime is 85942228793. The next prime is 85942228831. The reversal of 85942228804 is 40882224958.

It can be written as a sum of positive squares in only one way, i.e., 47764976704 + 38177252100 = 218552^2 + 195390^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10742778597 + ... + 10742778604.

Almost surely, 2^85942228804 is an apocalyptic number.

It is an amenable number.

85942228804 is a deficient number, since it is larger than the sum of its proper divisors (64456671610).

85942228804 is a wasteful number, since it uses less digits than its factorization.

85942228804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21485557205 (or 21485557203 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 85942228804 in words is "eighty-five billion, nine hundred forty-two million, two hundred twenty-eight thousand, eight hundred four".