7945812255 has 32 divisors (see below), whose sum is σ = 13407148800. Its totient is φ = 4007308032.

The previous prime is 7945812253. The next prime is 7945812289. The reversal of 7945812255 is 5522185497.

7945812255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7945812255 - 2¹ = 7945812253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945812253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130411 + ... + 181379.

It is an arithmetic number, because the mean of its divisors is an integer number (418973400).

Almost surely, 2^7945812255 is an apocalyptic number.

7945812255 is a deficient number, since it is larger than the sum of its proper divisors (5461336545).

7945812255 is a wasteful number, since it uses less digits than its factorization.

7945812255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51543.

The product of its digits is 1008000, while the sum is 48.

The square root of 7945812255 is about 89139.2856994042. The cubic root of 7945812255 is about 1995.4741205163.

The spelling of 7945812255 in words is "seven billion, nine hundred forty-five million, eight hundred twelve thousand, two hundred fifty-five".