85737887011 has 32 divisors (see below), whose sum is σ = 105034752000. Its totient is φ = 68354930592.

The previous prime is 85737887003. The next prime is 85737887029. The reversal of 85737887011 is 11078873758.

It is a cyclic number.

It is not a de Polignac number, because 85737887011 - 2³ = 85737887003 is a prime.

It is a super-2 number, since 2×85737887011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85737885011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1857960 + ... + 1903546.

It is an arithmetic number, because the mean of its divisors is an integer number (3282336000).

Almost surely, 2^85737887011 is an apocalyptic number.

85737887011 is a deficient number, since it is larger than the sum of its proper divisors (19296864989).

85737887011 is a wasteful number, since it uses less digits than its factorization.

85737887011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871.

The product of its (nonzero) digits is 2634240, while the sum is 55.

The spelling of 85737887011 in words is "eighty-five billion, seven hundred thirty-seven million, eight hundred eighty-seven thousand, eleven".