10789978500 has 576 divisors, whose sum is σ = 41505924096. Its totient is φ = 2306304000.

The previous prime is 10789978499. The next prime is 10789978579. The reversal of 10789978500 is 587998701.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 38398360 + ... + 38398640.

It is an arithmetic number, because the mean of its divisors is an integer number (72058896).

Almost surely, 2^10789978500 is an apocalyptic number.

10789978500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10789978500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20752962048).

10789978500 is an abundant number, since it is smaller than the sum of its proper divisors (30715945596).

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

10789978500 is a wasteful number, since it uses less digits than its factorization.

10789978500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 10789978500 in words is "ten billion, seven hundred eighty-nine million, nine hundred seventy-eight thousand, five hundred".