7817451152 has 40 divisors (see below), whose sum is σ = 17478155136. Its totient is φ = 3317803776.

The previous prime is 7817451151. The next prime is 7817451199. The reversal of 7817451152 is 2511547187.

It is a super-2 number, since 2×7817451152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7817451151) 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 7 ways as a sum of consecutive naturals, for example, 327293 + ... + 350364.

Almost surely, 2^7817451152 is an apocalyptic number.

It is an amenable number.

7817451152 is an abundant number, since it is smaller than the sum of its proper divisors (9660703984).

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

7817451152 is a wasteful number, since it uses less digits than its factorization.

7817451152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677775 (or 677769 counting only the distinct ones).

The product of its digits is 78400, while the sum is 41.

The square root of 7817451152 is about 88416.3511574641. The cubic root of 7817451152 is about 1984.6703978494.

The spelling of 7817451152 in words is "seven billion, eight hundred seventeen million, four hundred fifty-one thousand, one hundred fifty-two".