7952421888 has 352 divisors, whose sum is σ = 24654395520. Its totient is φ = 2561974272.

The previous prime is 7952421859. The next prime is 7952421929. The reversal of 7952421888 is 8881242597.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118692831 + ... + 118692897.

Almost surely, 2^7952421888 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 7952421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12327197760).

7952421888 is an abundant number, since it is smaller than the sum of its proper divisors (16701973632).

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

7952421888 is an frugal number, since it uses more digits than its factorization.

7952421888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 125 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 7952421888 is about 89176.3527399501. The cubic root of 7952421888 is about 1996.0272712715.

The spelling of 7952421888 in words is "seven billion, nine hundred fifty-two million, four hundred twenty-one thousand, eight hundred eighty-eight".