2056785999 has 8 divisors (see below), whose sum is σ = 2794124592. Its totient is φ = 1345319040.

The previous prime is 2056785989. The next prime is 2056786001. The reversal of 2056785999 is 9995876502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2056785999 - 2⁹ = 2056785487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056785959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6467722 + ... + 6468039.

It is an arithmetic number, because the mean of its divisors is an integer number (349265574).

Almost surely, 2^2056785999 is an apocalyptic number.

2056785999 is a deficient number, since it is larger than the sum of its proper divisors (737338593).

2056785999 is a wasteful number, since it uses less digits than its factorization.

2056785999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935817.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The square root of 2056785999 is about 45351.8025992352. The cubic root of 2056785999 is about 1271.7342539706.

The spelling of 2056785999 in words is "two billion, fifty-six million, seven hundred eighty-five thousand, nine hundred ninety-nine".