873949378 has 8 divisors (see below), whose sum is σ = 1311351372. Its totient is φ = 436832256.

The previous prime is 873949369. The next prime is 873949381.

873949378 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 581436769 + 292512609 = 24113^2 + 17103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63375 + ... + 75922.

Almost surely, 2^873949378 is an apocalyptic number.

873949378 is a deficient number, since it is larger than the sum of its proper divisors (437401994).

873949378 is a wasteful number, since it uses less digits than its factorization.

873949378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142436.

The product of its digits is 9144576, while the sum is 58.

The square root of 873949378 is about 29562.6348284452. The cubic root of 873949378 is about 956.0826251947.

The spelling of 873949378 in words is "eight hundred seventy-three million, nine hundred forty-nine thousand, three hundred seventy-eight".