10787222520 has 512 divisors, whose sum is σ = 38928384000. Its totient is φ = 2651927040.

The previous prime is 10787222519. The next prime is 10787222561. The reversal of 10787222520 is 2522278701.

10787222520 is a `hidden beast` number, since 107 + 8 + 7 + 2 + 22 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 84938697 + ... + 84938823.

It is an arithmetic number, because the mean of its divisors is an integer number (76032000).

Almost surely, 2^10787222520 is an apocalyptic number.

10787222520 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 10787222520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19464192000).

10787222520 is an abundant number, since it is smaller than the sum of its proper divisors (28141161480).

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

10787222520 is a wasteful number, since it uses less digits than its factorization.

10787222520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 10787222520 in words is "ten billion, seven hundred eighty-seven million, two hundred twenty-two thousand, five hundred twenty".