8870078881 has 4 divisors (see below), whose sum is σ = 9175943700. Its totient is φ = 8564214064.

The previous prime is 8870078851. The next prime is 8870078897. The reversal of 8870078881 is 1888700788.

8870078881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4842907281 + 4027171600 = 69591^2 + 63460^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870078881 - 2⁹ = 8870078369 is a prime.

It is a super-2 number, since 2×8870078881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8870078801) 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 3 ways as a sum of consecutive naturals, for example, 152932366 + ... + 152932423.

It is an arithmetic number, because the mean of its divisors is an integer number (2293985925).

Almost surely, 2^8870078881 is an apocalyptic number.

It is an amenable number.

8870078881 is a deficient number, since it is larger than the sum of its proper divisors (305864819).

8870078881 is a wasteful number, since it uses less digits than its factorization.

8870078881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305864818.

The product of its (nonzero) digits is 1605632, while the sum is 55.

The square root of 8870078881 is about 94181.0961976978. The cubic root of 8870078881 is about 2070.0261287125.

The spelling of 8870078881 in words is "eight billion, eight hundred seventy million, seventy-eight thousand, eight hundred eighty-one".