8761336920 has 256 divisors, whose sum is σ = 35340364800. Its totient is φ = 1884764160.

The previous prime is 8761336907. The next prime is 8761336973. The reversal of 8761336920 is 296331678.

8761336920 is a `hidden beast` number, since 8 + 7 + 613 + 3 + 6 + 9 + 20 = 666.

It is a super-2 number, since 2×8761336920² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94435 + ... + 162605.

It is an arithmetic number, because the mean of its divisors is an integer number (138048300).

Almost surely, 2^8761336920 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 8761336920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17670182400).

8761336920 is an abundant number, since it is smaller than the sum of its proper divisors (26579027880).

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

8761336920 is a wasteful number, since it uses less digits than its factorization.

8761336920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68215 (or 68205 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 8761336920 is about 93602.0134398828. The cubic root of 8761336920 is about 2061.5322216669.

The spelling of 8761336920 in words is "eight billion, seven hundred sixty-one million, three hundred thirty-six thousand, nine hundred twenty".