7945500555 has 12 divisors (see below), whose sum is σ = 13772201040. Its totient is φ = 4237600272.

The previous prime is 7945500553. The next prime is 7945500593. The reversal of 7945500555 is 5550055497.

7945500555 is a `hidden beast` number, since 7 + 9 + 45 + 50 + 0 + 555 = 666.

7945500555 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 7945500555 - 2¹ = 7945500553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 176566679 = 7945500555 / (7 + 9 + 4 + 5 + 5 + 0 + 0 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 7945500555.

It is not an unprimeable number, because it can be changed into a prime (7945500553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88283295 + ... + 88283384.

It is an arithmetic number, because the mean of its divisors is an integer number (1147683420).

Almost surely, 2^7945500555 is an apocalyptic number.

7945500555 is a deficient number, since it is larger than the sum of its proper divisors (5826700485).

7945500555 is a wasteful number, since it uses less digits than its factorization.

7945500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176566690 (or 176566687 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The square root of 7945500555 is about 89137.5372949017. The cubic root of 7945500555 is about 1995.4480272151.

The spelling of 7945500555 in words is "seven billion, nine hundred forty-five million, five hundred thousand, five hundred fifty-five".