85489796764 has 6 divisors (see below), whose sum is σ = 149607144344. Its totient is φ = 42744898380.

The previous prime is 85489796747. The next prime is 85489796771. The reversal of 85489796764 is 46769798458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10686224592 + ... + 10686224599.

Almost surely, 2^85489796764 is an apocalyptic number.

It is an amenable number.

85489796764 is a deficient number, since it is larger than the sum of its proper divisors (64117347580).

85489796764 is a wasteful number, since it uses less digits than its factorization.

85489796764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21372449195 (or 21372449193 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 73.

The spelling of 85489796764 in words is "eighty-five billion, four hundred eighty-nine million, seven hundred ninety-six thousand, seven hundred sixty-four".