85805136884722 has 32 divisors (see below), whose sum is σ = 135692366040000. Its totient is φ = 40581371791296.

The previous prime is 85805136884707. The next prime is 85805136884737. The reversal of 85805136884722 is 22748863150858.

It is an interprime number because it is at equal distance from previous prime (85805136884707) and next prime (85805136884737).

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, 997354804 + ... + 997440832.

It is an arithmetic number, because the mean of its divisors is an integer number (4240386438750).

Almost surely, 2^{85805136884722} is an apocalyptic number.

85805136884722 is a deficient number, since it is larger than the sum of its proper divisors (49887229155278).

85805136884722 is a wasteful number, since it uses less digits than its factorization.

85805136884722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126538.

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 85805136884722 in words is "eighty-five trillion, eight hundred five billion, one hundred thirty-six million, eight hundred eighty-four thousand, seven hundred twenty-two".