889754378 has 4 divisors (see below), whose sum is σ = 1334631570. Its totient is φ = 444877188.

The previous prime is 889754377. The next prime is 889754387. The reversal of 889754378 is 873457988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 738045889 + 151708489 = 27167^2 + 12317^2 .

It is not an unprimeable number, because it can be changed into a prime (889754377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222438593 + ... + 222438596.

Almost surely, 2^889754378 is an apocalyptic number.

889754378 is a deficient number, since it is larger than the sum of its proper divisors (444877192).

889754378 is a wasteful number, since it uses less digits than its factorization.

889754378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444877191.

The product of its digits is 13547520, while the sum is 59.

The square root of 889754378 is about 29828.7508622135. The cubic root of 889754378 is about 961.8116751351.

The spelling of 889754378 in words is "eight hundred eighty-nine million, seven hundred fifty-four thousand, three hundred seventy-eight".