8887779801 has 12 divisors (see below), whose sum is σ = 12838782528. Its totient is φ = 5924781144.

The previous prime is 8887779799. The next prime is 8887779839. The reversal of 8887779801 is 1089777888.

It is not a de Polignac number, because 8887779801 - 2¹ = 8887779799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8887779871) 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 11 ways as a sum of consecutive naturals, for example, 169356 + ... + 215538.

It is an arithmetic number, because the mean of its divisors is an integer number (1069898544).

Almost surely, 2^8887779801 is an apocalyptic number.

It is an amenable number.

8887779801 is a deficient number, since it is larger than the sum of its proper divisors (3951002727).

8887779801 is a wasteful number, since it uses less digits than its factorization.

8887779801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67572 (or 67569 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 63.

The square root of 8887779801 is about 94275.0221479688. The cubic root of 8887779801 is about 2071.4021788706.

The spelling of 8887779801 in words is "eight billion, eight hundred eighty-seven million, seven hundred seventy-nine thousand, eight hundred one".