8801278993 has 8 divisors (see below), whose sum is σ = 9479485736. Its totient is φ = 8123241600.

The previous prime is 8801278973. The next prime is 8801278999. The reversal of 8801278993 is 3998721088.

It can be written as a sum of positive squares in 4 ways, for example, as 65011969 + 8736267024 = 8063^2 + 93468^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8801278993 - 2⁵ = 8801278961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8801278999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78373 + ... + 154093.

It is an arithmetic number, because the mean of its divisors is an integer number (1184935717).

Almost surely, 2^8801278993 is an apocalyptic number.

It is an amenable number.

8801278993 is a deficient number, since it is larger than the sum of its proper divisors (678206743).

8801278993 is a wasteful number, since it uses less digits than its factorization.

8801278993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84675.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 8801278993 is about 93815.1320043840. The cubic root of 8801278993 is about 2064.6602472070.

The spelling of 8801278993 in words is "eight billion, eight hundred one million, two hundred seventy-eight thousand, nine hundred ninety-three".