9958977028 has 96 divisors (see below), whose sum is σ = 23558572800. Its totient is φ = 3557399040.

The previous prime is 9958977011. The next prime is 9958977047. The reversal of 9958977028 is 8207798599.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588250 + ... + 604942.

It is an arithmetic number, because the mean of its divisors is an integer number (245401800).

Almost surely, 2^9958977028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9958977028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11779286400).

9958977028 is an abundant number, since it is smaller than the sum of its proper divisors (13599595772).

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

9958977028 is a wasteful number, since it uses less digits than its factorization.

9958977028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877 (or 16875 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 64.

The square root of 9958977028 is about 99794.6743468809. The cubic root of 9958977028 is about 2151.4846085109.

The spelling of 9958977028 in words is "nine billion, nine hundred fifty-eight million, nine hundred seventy-seven thousand, twenty-eight".