85902899606 has 4 divisors (see below), whose sum is σ = 128854349412. Its totient is φ = 42951449802.

The previous prime is 85902899569. The next prime is 85902899609. The reversal of 85902899606 is 60699820958.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85902899609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21475724900 + ... + 21475724903.

It is an arithmetic number, because the mean of its divisors is an integer number (32213587353).

Almost surely, 2^85902899606 is an apocalyptic number.

85902899606 is a deficient number, since it is larger than the sum of its proper divisors (42951449806).

85902899606 is a wasteful number, since it uses less digits than its factorization.

85902899606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42951449805.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 85902899606 in words is "eighty-five billion, nine hundred two million, eight hundred ninety-nine thousand, six hundred six".