15773797197376 has 21 divisors (see below), whose sum is σ = 31301191863201. Its totient is φ = 7886882712192.

The previous prime is 15773797197289. The next prime is 15773797197407. The reversal of 15773797197376 is 67379179737751.

The square root of 15773797197376 is 3971624.

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

It can be written as a sum of positive squares in only one way, i.e., 12043398529600 + 3730398667776 = 3470360^2 + 1931424^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15773797197296 and 15773797197305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31524766 + ... + 32021218.

Almost surely, 2^{15773797197376} is an apocalyptic number.

15773797197376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15773797197376 is the 3971624-th square number.

It is an amenable number.

15773797197376 is a deficient number, since it is larger than the sum of its proper divisors (15527394665825).

15773797197376 is an frugal number, since it uses more digits than its factorization.

15773797197376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992918 (or 496455 counting only the distinct ones).

The product of its digits is 2572983630, while the sum is 79.

The spelling of 15773797197376 in words is "fifteen trillion, seven hundred seventy-three billion, seven hundred ninety-seven million, one hundred ninety-seven thousand, three hundred seventy-six".