85384700776 has 8 divisors (see below), whose sum is σ = 160096313970. Its totient is φ = 42692350384.

The previous prime is 85384700771. The next prime is 85384700809. The reversal of 85384700776 is 67700748358.

It can be written as a sum of positive squares in only one way, i.e., 72968055876 + 12416644900 = 270126^2 + 111430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85384700771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5336543791 + ... + 5336543806.

Almost surely, 2^85384700776 is an apocalyptic number.

It is an amenable number.

85384700776 is a deficient number, since it is larger than the sum of its proper divisors (74711613194).

85384700776 is a wasteful number, since it uses less digits than its factorization.

85384700776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673087603 (or 10673087599 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 85384700776 in words is "eighty-five billion, three hundred eighty-four million, seven hundred thousand, seven hundred seventy-six".