9922606878 has 16 divisors (see below), whose sum is σ = 19864663056. Its totient is φ = 3304294080.

The previous prime is 9922606861. The next prime is 9922606909. The reversal of 9922606878 is 8786062299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803751 + ... + 816002.

It is an arithmetic number, because the mean of its divisors is an integer number (1241541441).

Almost surely, 2^9922606878 is an apocalyptic number.

9922606878 is an abundant number, since it is smaller than the sum of its proper divisors (9942056178).

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

9922606878 is a wasteful number, since it uses less digits than its factorization.

9922606878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620779.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 9922606878 is about 99612.2827667351. The cubic root of 9922606878 is about 2148.8623422724.

The spelling of 9922606878 in words is "nine billion, nine hundred twenty-two million, six hundred six thousand, eight hundred seventy-eight".