8272595405 has 8 divisors (see below), whose sum is σ = 9932674200. Its totient is φ = 6614369856.

The previous prime is 8272595393. The next prime is 8272595423. The reversal of 8272595405 is 5045952728.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3466501129 + 4806094276 = 58877^2 + 69326^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8272595405 - 2⁴ = 8272595389 is a prime.

It is a super-2 number, since 2×8272595405² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8272595405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 453470 + ... + 471359.

It is an arithmetic number, because the mean of its divisors is an integer number (1241584275).

Almost surely, 2^8272595405 is an apocalyptic number.

It is an amenable number.

8272595405 is a deficient number, since it is larger than the sum of its proper divisors (1660078795).

8272595405 is a wasteful number, since it uses less digits than its factorization.

8272595405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926623.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 8272595405 is about 90953.8091835631. The cubic root of 8272595405 is about 2022.4630450052.

The spelling of 8272595405 in words is "eight billion, two hundred seventy-two million, five hundred ninety-five thousand, four hundred five".