7800572385 has 48 divisors (see below), whose sum is σ = 13658823360. Its totient is φ = 4118117760.

The previous prime is 7800572357. The next prime is 7800572387. The reversal of 7800572385 is 5832750087.

7800572385 is a `hidden beast` number, since 78 + 0 + 0 + 572 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 7800572385 - 2⁶ = 7800572321 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7800572385.

It is not an unprimeable number, because it can be changed into a prime (7800572387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1846806 + ... + 1851024.

It is an arithmetic number, because the mean of its divisors is an integer number (284558820).

Almost surely, 2^7800572385 is an apocalyptic number.

It is an amenable number.

7800572385 is a deficient number, since it is larger than the sum of its proper divisors (5858250975).

7800572385 is a wasteful number, since it uses less digits than its factorization.

7800572385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 7800572385 is about 88320.8490957826. The cubic root of 7800572385 is about 1983.2409921621.

The spelling of 7800572385 in words is "seven billion, eight hundred million, five hundred seventy-two thousand, three hundred eighty-five".