2085700784 has 20 divisors (see below), whose sum is σ = 4047787800. Its totient is φ = 1041110400.

The previous prime is 2085700769. The next prime is 2085700787. The reversal of 2085700784 is 4870075802.

It is a super-3 number, since 3×2085700784³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2085700787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98834 + ... + 118065.

It is an arithmetic number, because the mean of its divisors is an integer number (202389390).

Almost surely, 2^2085700784 is an apocalyptic number.

It is an amenable number.

2085700784 is a deficient number, since it is larger than the sum of its proper divisors (1962087016).

2085700784 is a wasteful number, since it uses less digits than its factorization.

2085700784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217508 (or 217502 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 2085700784 is about 45669.4732178947. The cubic root of 2085700784 is about 1277.6659907907.

The spelling of 2085700784 in words is "two billion, eighty-five million, seven hundred thousand, seven hundred eighty-four".