2085415187 has 2 divisors, whose sum is σ = 2085415188. Its totient is φ = 2085415186.

The previous prime is 2085415183. The next prime is 2085415207. The reversal of 2085415187 is 7815145802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2085415187 - 2² = 2085415183 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085415183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042707593 + 1042707594.

It is an arithmetic number, because the mean of its divisors is an integer number (1042707594).

Almost surely, 2^2085415187 is an apocalyptic number.

2085415187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085415187 is an equidigital number, since it uses as much as digits as its factorization.

2085415187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 2085415187 is about 45666.3463285602. The cubic root of 2085415187 is about 1277.6076707873.

The spelling of 2085415187 in words is "two billion, eighty-five million, four hundred fifteen thousand, one hundred eighty-seven".