85091380716 has 24 divisors (see below), whose sum is σ = 199694227824. Its totient is φ = 28199840320.

The previous prime is 85091380711. The next prime is 85091380741. The reversal of 85091380716 is 61708319058.

It is not an unprimeable number, because it can be changed into a prime (85091380711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20491995 + ... + 20496146.

It is an arithmetic number, because the mean of its divisors is an integer number (8320592826).

Almost surely, 2^85091380716 is an apocalyptic number.

It is an amenable number.

85091380716 is an abundant number, since it is smaller than the sum of its proper divisors (114602847108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85091380716 is a wasteful number, since it uses less digits than its factorization.

85091380716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40988321 (or 40988319 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 85091380716 in words is "eighty-five billion, ninety-one million, three hundred eighty thousand, seven hundred sixteen".