86850765712 has 20 divisors (see below), whose sum is σ = 168531071580. Its totient is φ = 43358876288.

The previous prime is 86850765709. The next prime is 86850765713. The reversal of 86850765712 is 21756705868.

It can be written as a sum of positive squares in 2 ways, for example, as 20350734336 + 66500031376 = 142656^2 + 257876^2 .

It is not an unprimeable number, because it can be changed into a prime (86850765713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4145887 + ... + 4166782.

It is an arithmetic number, because the mean of its divisors is an integer number (8426553579).

Almost surely, 2^86850765712 is an apocalyptic number.

It is an amenable number.

86850765712 is a deficient number, since it is larger than the sum of its proper divisors (81680305868).

86850765712 is a wasteful number, since it uses less digits than its factorization.

86850765712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313330 (or 8313324 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 86850765712 in words is "eighty-six billion, eight hundred fifty million, seven hundred sixty-five thousand, seven hundred twelve".