85811278647032 has 16 divisors (see below), whose sum is σ = 161403706292760. Its totient is φ = 42770290302304.

The previous prime is 85811278647013. The next prime is 85811278647049. The reversal of 85811278647032 is 23074687211858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16918624958 + ... + 16918630029.

Almost surely, 2^{85811278647032} is an apocalyptic number.

It is an amenable number.

85811278647032 is a deficient number, since it is larger than the sum of its proper divisors (75592427645728).

85811278647032 is a wasteful number, since it uses less digits than its factorization.

85811278647032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33837255310 (or 33837255306 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 85811278647032 in words is "eighty-five trillion, eight hundred eleven billion, two hundred seventy-eight million, six hundred forty-seven thousand, thirty-two".