7966237920 has 192 divisors, whose sum is σ = 26539591680. Its totient is φ = 2002987008.

The previous prime is 7966237907. The next prime is 7966237949. The reversal of 7966237920 is 297326697.

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, 2031802 + ... + 2035718.

It is an arithmetic number, because the mean of its divisors is an integer number (138227040).

Almost surely, 2^7966237920 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 7966237920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269795840).

7966237920 is an abundant number, since it is smaller than the sum of its proper divisors (18573353760).

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

7966237920 is a wasteful number, since it uses less digits than its factorization.

7966237920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 7966237920 is about 89253.7837853388. The cubic root of 7966237920 is about 1997.1825261176.

The spelling of 7966237920 in words is "seven billion, nine hundred sixty-six million, two hundred thirty-seven thousand, nine hundred twenty".