943487796889 has 27 divisors (see below), whose sum is σ = 1044330128191. Its totient is φ = 851742481040.

The previous prime is 943487796847. The next prime is 943487796961. The reversal of 943487796889 is 988697784349.

The square root of 943487796889 is 971333.

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., 222720756489 + 720767040400 = 471933^2 + 848980^2 .

It is not a de Polignac number, because 943487796889 - 2¹³ = 943487788697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (943487796689) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 2425418307 + ... + 2425418695.

Almost surely, 2^943487796889 is an apocalyptic number.

943487796889 is the 971333-rd square number.

943487796889 is the 485667-th centered octagonal number.

It is an amenable number.

943487796889 is a deficient number, since it is larger than the sum of its proper divisors (100842331302).

943487796889 is an frugal number, since it uses more digits than its factorization.

943487796889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 627 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 82.

The spelling of 943487796889 in words is "nine hundred forty-three billion, four hundred eighty-seven million, seven hundred ninety-six thousand, eight hundred eighty-nine".