2085458791 has 16 divisors (see below), whose sum is σ = 2374041600. Its totient is φ = 1816039008.

The previous prime is 2085458779. The next prime is 2085458797. The reversal of 2085458791 is 1978545802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2085458791 - 2¹³ = 2085450599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085458797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41370 + ... + 76696.

It is an arithmetic number, because the mean of its divisors is an integer number (148377600).

Almost surely, 2^2085458791 is an apocalyptic number.

2085458791 is a deficient number, since it is larger than the sum of its proper divisors (288582809).

2085458791 is a wasteful number, since it uses less digits than its factorization.

2085458791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35598.

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 2085458791 is about 45666.8237454719. The cubic root of 2085458791 is about 1277.6165752359.

The spelling of 2085458791 in words is "two billion, eighty-five million, four hundred fifty-eight thousand, seven hundred ninety-one".