948778378 has 16 divisors (see below), whose sum is σ = 1455076224. Its totient is φ = 463775680.

The previous prime is 948778349. The next prime is 948778379. The reversal of 948778378 is 873877849.

It is not an unprimeable number, because it can be changed into a prime (948778379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86673 + ... + 97003.

It is an arithmetic number, because the mean of its divisors is an integer number (90942264).

Almost surely, 2^948778378 is an apocalyptic number.

948778378 is a deficient number, since it is larger than the sum of its proper divisors (506297846).

948778378 is a wasteful number, since it uses less digits than its factorization.

948778378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357.

The product of its digits is 18966528, while the sum is 61.

The square root of 948778378 is about 30802.2463141895. The cubic root of 948778378 is about 982.6260189238.

The spelling of 948778378 in words is "nine hundred forty-eight million, seven hundred seventy-eight thousand, three hundred seventy-eight".