8990770998 has 16 divisors (see below), whose sum is σ = 19616227776. Its totient is φ = 2724476040.

The previous prime is 8990770963. The next prime is 8990771021.

8990770998 is nontrivially palindromic in base 10.

8990770998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 136223803 = 8990770998 / (8 + 9 + 9 + 0 + 7 + 7 + 0 + 9 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68111836 + ... + 68111967.

It is an arithmetic number, because the mean of its divisors is an integer number (1226014236).

Almost surely, 2^8990770998 is an apocalyptic number.

8990770998 is an abundant number, since it is smaller than the sum of its proper divisors (10625456778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8990770998 is a wasteful number, since it uses less digits than its factorization.

8990770998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136223819.

The product of its (nonzero) digits is 20575296, while the sum is 66.

The square root of 8990770998 is about 94819.6762175446. The cubic root of 8990770998 is about 2079.3725762609.

The spelling of 8990770998 in words is "eight billion, nine hundred ninety million, seven hundred seventy thousand, nine hundred ninety-eight".