7845513207 has 32 divisors (see below), whose sum is σ = 12080409600. Its totient is φ = 4436391168.

The previous prime is 7845513167. The next prime is 7845513223. The reversal of 7845513207 is 7023155487.

It is not a de Polignac number, because 7845513207 - 2¹⁶ = 7845447671 is a prime.

It is a super-2 number, since 2×7845513207² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7845513227) 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 31 ways as a sum of consecutive naturals, for example, 798219 + ... + 807987.

It is an arithmetic number, because the mean of its divisors is an integer number (377512800).

Almost surely, 2^7845513207 is an apocalyptic number.

7845513207 is a deficient number, since it is larger than the sum of its proper divisors (4234896393).

7845513207 is a wasteful number, since it uses less digits than its factorization.

7845513207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 7845513207 is about 88574.9016764907. The cubic root of 7845513207 is about 1987.0423312949.

The spelling of 7845513207 in words is "seven billion, eight hundred forty-five million, five hundred thirteen thousand, two hundred seven".