8195825247 has 8 divisors (see below), whose sum is σ = 10944764544. Its totient is φ = 5455384728.

The previous prime is 8195825243. The next prime is 8195825293. The reversal of 8195825247 is 7425285918.

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

It is not a de Polignac number, because 8195825247 - 2² = 8195825243 is a prime.

It is a super-2 number, since 2×8195825247² (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 8195825247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8195825243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122443 + ... + 2126300.

It is an arithmetic number, because the mean of its divisors is an integer number (1368095568).

Almost surely, 2^8195825247 is an apocalyptic number.

8195825247 is a deficient number, since it is larger than the sum of its proper divisors (2748939297).

8195825247 is a wasteful number, since it uses less digits than its factorization.

8195825247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249389.

The product of its digits is 1612800, while the sum is 51.

The square root of 8195825247 is about 90530.7972294511. The cubic root of 8195825247 is about 2016.1874011375.

The spelling of 8195825247 in words is "eight billion, one hundred ninety-five million, eight hundred twenty-five thousand, two hundred forty-seven".