85206872755 has 8 divisors (see below), whose sum is σ = 103648908672. Its totient is φ = 67231723968.

The previous prime is 85206872749. The next prime is 85206872759. The reversal of 85206872755 is 55727860258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85206872755 is a prime.

It is a super-2 number, since 2×85206872755² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85206872696 and 85206872705.

It is not an unprimeable number, because it can be changed into a prime (85206872759) 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, 116721379 + ... + 116722108.

It is an arithmetic number, because the mean of its divisors is an integer number (12956113584).

Almost surely, 2^85206872755 is an apocalyptic number.

85206872755 is a deficient number, since it is larger than the sum of its proper divisors (18442035917).

85206872755 is a wasteful number, since it uses less digits than its factorization.

85206872755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233443565.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 85206872755 in words is "eighty-five billion, two hundred six million, eight hundred seventy-two thousand, seven hundred fifty-five".