815846200085 has 16 divisors (see below), whose sum is σ = 1118900345472. Its totient is φ = 559424616000.

The previous prime is 815846200051. The next prime is 815846200109. The reversal of 815846200085 is 580002648518.

It is not a de Polignac number, because 815846200085 - 2¹⁶ = 815846134549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442435 + ... + 1926735.

It is an arithmetic number, because the mean of its divisors is an integer number (69931271592).

Almost surely, 2^815846200085 is an apocalyptic number.

It is an amenable number.

815846200085 is a deficient number, since it is larger than the sum of its proper divisors (303054145387).

815846200085 is a wasteful number, since it uses less digits than its factorization.

815846200085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532444.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 815846200085 in words is "eight hundred fifteen billion, eight hundred forty-six million, two hundred thousand, eighty-five".