387236907728896 has 135 divisors (see below), whose sum is σ = 791520413537847. Its totient is φ = 189440979271680.

The previous prime is 387236907728779. The next prime is 387236907728929. The reversal of 387236907728896 is 698827709632783.

The square root of 387236907728896 is 19678336.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118384867741 + ... + 118384871011.

Almost surely, 2^{387236907728896} is an apocalyptic number.

387236907728896 is the 19678336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387236907728896

387236907728896 is an abundant number, since it is smaller than the sum of its proper divisors (404283505808951).

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

387236907728896 is an frugal number, since it uses more digits than its factorization.

387236907728896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 18435465216, while the sum is 85.

The spelling of 387236907728896 in words is "three hundred eighty-seven trillion, two hundred thirty-six billion, nine hundred seven million, seven hundred twenty-eight thousand, eight hundred ninety-six".