973282378 has 4 divisors (see below), whose sum is σ = 1459923570. Its totient is φ = 486641188.

The previous prime is 973282361. The next prime is 973282411. The reversal of 973282378 is 873282379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873282379 = 839 ⋅1040861.

It can be written as a sum of positive squares in only one way, i.e., 534673129 + 438609249 = 23123^2 + 20943^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243320593 + ... + 243320596.

Almost surely, 2^973282378 is an apocalyptic number.

973282378 is a deficient number, since it is larger than the sum of its proper divisors (486641192).

973282378 is a wasteful number, since it uses less digits than its factorization.

973282378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486641191.

The product of its digits is 1016064, while the sum is 49.

The square root of 973282378 is about 31197.4739041481. The cubic root of 973282378 is about 991.0136127431.

Subtracting from 973282378 its reverse (873282379), we obtain a palindrome (99999999).

The spelling of 973282378 in words is "nine hundred seventy-three million, two hundred eighty-two thousand, three hundred seventy-eight".