7850857007 has 16 divisors (see below), whose sum is σ = 9521210880. Its totient is φ = 6327622752.

The previous prime is 7850856991. The next prime is 7850857009. The reversal of 7850857007 is 7007580587.

It is a cyclic number.

It is not a de Polignac number, because 7850857007 - 2⁴ = 7850856991 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 (7850857009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403748 + ... + 422745.

It is an arithmetic number, because the mean of its divisors is an integer number (595075680).

Almost surely, 2^7850857007 is an apocalyptic number.

7850857007 is a deficient number, since it is larger than the sum of its proper divisors (1670353873).

7850857007 is a wasteful number, since it uses less digits than its factorization.

7850857007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826582.

The product of its (nonzero) digits is 548800, while the sum is 47.

The square root of 7850857007 is about 88605.0619716504. The cubic root of 7850857007 is about 1987.4933724025.

The spelling of 7850857007 in words is "seven billion, eight hundred fifty million, eight hundred fifty-seven thousand, seven".