2623216785 has 32 divisors (see below), whose sum is σ = 4807188480. Its totient is φ = 1196572608.

The previous prime is 2623216747. The next prime is 2623216793. The reversal of 2623216785 is 5876123262.

It is not a de Polignac number, because 2623216785 - 2⁷ = 2623216657 is a prime.

It is a super-2 number, since 2×2623216785² = 13762532602211472450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21636 + ... + 75594.

It is an arithmetic number, because the mean of its divisors is an integer number (150224640).

Almost surely, 2^2623216785 is an apocalyptic number.

It is an amenable number.

2623216785 is a deficient number, since it is larger than the sum of its proper divisors (2183971695).

2623216785 is a wasteful number, since it uses less digits than its factorization.

2623216785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54437.

The product of its digits is 241920, while the sum is 42.

The square root of 2623216785 is about 51217.3484768589. The cubic root of 2623216785 is about 1379.1496520366.

The spelling of 2623216785 in words is "two billion, six hundred twenty-three million, two hundred sixteen thousand, seven hundred eighty-five".