8242579796625 has 96 divisors (see below), whose sum is σ = 15232664262816. Its totient is φ = 4285543680000.

The previous prime is 8242579796623. The next prime is 8242579796639. The reversal of 8242579796625 is 5266979752428.

8242579796625 is a `hidden beast` number, since 8 + 2 + 42 + 579 + 7 + 9 + 6 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 7553548650384 + 689031146241 = 2748372^2 + 830079^2 .

It is not a de Polignac number, because 8242579796625 - 2¹ = 8242579796623 is a prime.

It is a super-2 number, since 2×8242579796625² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8242579796623) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60863487 + ... + 60998763.

It is an arithmetic number, because the mean of its divisors is an integer number (158673586071).

Almost surely, 2^{8242579796625} is an apocalyptic number.

It is an amenable number.

8242579796625 is a deficient number, since it is larger than the sum of its proper divisors (6990084466191).

8242579796625 is a wasteful number, since it uses less digits than its factorization.

8242579796625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136660 (or 136647 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 72.

The spelling of 8242579796625 in words is "eight trillion, two hundred forty-two billion, five hundred seventy-nine million, seven hundred ninety-six thousand, six hundred twenty-five".