7953987132 has 360 divisors, whose sum is σ = 27593186544. Its totient is φ = 1973486592.

The previous prime is 7953987089. The next prime is 7953987133. The reversal of 7953987132 is 2317893597.

7953987132 is a `hidden beast` number, since 7 + 9 + 539 + 8 + 71 + 32 = 666.

It is a super-2 number, since 2×7953987132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7953987133) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3507463 + ... + 3509729.

Almost surely, 2^7953987132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7953987132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13796593272).

7953987132 is an abundant number, since it is smaller than the sum of its proper divisors (19639199412).

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

7953987132 is a wasteful number, since it uses less digits than its factorization.

7953987132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2309 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 7953987132 is about 89185.1284239699. The cubic root of 7953987132 is about 1996.1582194195.

The spelling of 7953987132 in words is "seven billion, nine hundred fifty-three million, nine hundred eighty-seven thousand, one hundred thirty-two".