1144878873 has 8 divisors (see below), whose sum is σ = 1528607808. Its totient is φ = 762201264.

The previous prime is 1144878871. The next prime is 1144878937. The reversal of 1144878873 is 3788784411.

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

It is not a de Polignac number, because 1144878873 - 2¹ = 1144878871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144878871) 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, 260286 + ... + 264647.

It is an arithmetic number, because the mean of its divisors is an integer number (191075976).

Almost surely, 2^1144878873 is an apocalyptic number.

It is an amenable number.

1144878873 is a deficient number, since it is larger than the sum of its proper divisors (383728935).

1144878873 is an equidigital number, since it uses as much as digits as its factorization.

1144878873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525663.

The product of its digits is 1204224, while the sum is 51.

The square root of 1144878873 is about 33836.0587687160. The cubic root of 1144878873 is about 1046.1320646889.

The spelling of 1144878873 in words is "one billion, one hundred forty-four million, eight hundred seventy-eight thousand, eight hundred seventy-three".