85899806207 has 4 divisors (see below), whose sum is σ = 88861868520. Its totient is φ = 82937743896.

The previous prime is 85899806137. The next prime is 85899806249. The reversal of 85899806207 is 70260899858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85899806207 - 2¹⁴ = 85899789823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85899806207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85899806297) 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, 1481031113 + ... + 1481031170.

It is an arithmetic number, because the mean of its divisors is an integer number (22215467130).

Almost surely, 2^85899806207 is an apocalyptic number.

85899806207 is a deficient number, since it is larger than the sum of its proper divisors (2962062313).

85899806207 is a wasteful number, since it uses less digits than its factorization.

85899806207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962062312.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 85899806207 in words is "eighty-five billion, eight hundred ninety-nine million, eight hundred six thousand, two hundred seven".