949947878 has 8 divisors (see below), whose sum is σ = 1554460200. Its totient is φ = 431794480.

The previous prime is 949947871. The next prime is 949947881. The reversal of 949947878 is 878749949.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949947871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21589703 + ... + 21589746.

It is an arithmetic number, because the mean of its divisors is an integer number (194307525).

Almost surely, 2^949947878 is an apocalyptic number.

949947878 is a deficient number, since it is larger than the sum of its proper divisors (604512322).

949947878 is a wasteful number, since it uses less digits than its factorization.

949947878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43179462.

The product of its digits is 36578304, while the sum is 65.

The square root of 949947878 is about 30821.2244727558. The cubic root of 949947878 is about 983.0295937748.

The spelling of 949947878 in words is "nine hundred forty-nine million, nine hundred forty-seven thousand, eight hundred seventy-eight".