8799449978 has 8 divisors (see below), whose sum is σ = 14399100000. Its totient is φ = 3999749980.

The previous prime is 8799449969. The next prime is 8799449983.

8799449978 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199987478 + ... + 199987521.

It is an arithmetic number, because the mean of its divisors is an integer number (1799887500).

Almost surely, 2^8799449978 is an apocalyptic number.

8799449978 is a deficient number, since it is larger than the sum of its proper divisors (5599650022).

8799449978 is a wasteful number, since it uses less digits than its factorization.

8799449978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399975012.

The product of its digits is 329204736, while the sum is 74.

The square root of 8799449978 is about 93805.3835235484. The cubic root of 8799449978 is about 2064.5172166246.

The spelling of 8799449978 in words is "eight billion, seven hundred ninety-nine million, four hundred forty-nine thousand, nine hundred seventy-eight".