7812250002 has 54 divisors (see below), whose sum is σ = 17201463591. Its totient is φ = 2562459000.

The previous prime is 7812249959. The next prime is 7812250013. The reversal of 7812250002 is 2000522187.

It can be written as a sum of positive squares in only one way, i.e., 3906125001 + 3906125001 = 62499^2 + 62499^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=62499.

It is a super-2 number, since 2×7812250002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 31124377 + ... + 31124627.

Almost surely, 2^7812250002 is an apocalyptic number.

7812250002 is an abundant number, since it is smaller than the sum of its proper divisors (9389213589).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7812250002 is an equidigital number, since it uses as much as digits as its factorization.

7812250002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7812250002 is about 88386.9334347561. The cubic root of 7812250002 is about 1984.2301495564.

Adding to 7812250002 its reverse (2000522187), we get a palindrome (9812772189).

The spelling of 7812250002 in words is "seven billion, eight hundred twelve million, two hundred fifty thousand, two".