7971112152 has 80 divisors (see below), whose sum is σ = 22339383000. Its totient is φ = 2655504000.

The previous prime is 7971112147. The next prime is 7971112159. The reversal of 7971112152 is 2512111797.

It is a super-2 number, since 2×7971112152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971112159) 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 19 ways as a sum of consecutive naturals, for example, 1942599 + ... + 1946697.

Almost surely, 2^7971112152 is an apocalyptic number.

7971112152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7971112152 is an abundant number, since it is smaller than the sum of its proper divisors (14368270848).

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

7971112152 is a wasteful number, since it uses less digits than its factorization.

7971112152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118 (or 7105 counting only the distinct ones).

The product of its digits is 8820, while the sum is 36.

The square root of 7971112152 is about 89281.0850740514. The cubic root of 7971112152 is about 1997.5897759100.

The spelling of 7971112152 in words is "seven billion, nine hundred seventy-one million, one hundred twelve thousand, one hundred fifty-two".