8919707748 has 144 divisors (see below), whose sum is σ = 25127424000. Its totient is φ = 2452887360.

The previous prime is 8919707711. The next prime is 8919707749. The reversal of 8919707748 is 8477079198.

It is a super-2 number, since 2×8919707748² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8919707691 and 8919707700.

It is not an unprimeable number, because it can be changed into a prime (8919707749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3626143 + ... + 3628601.

It is an arithmetic number, because the mean of its divisors is an integer number (174496000).

Almost surely, 2^8919707748 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 8919707748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12563712000).

8919707748 is an abundant number, since it is smaller than the sum of its proper divisors (16207716252).

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

8919707748 is a wasteful number, since it uses less digits than its factorization.

8919707748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 60.

The square root of 8919707748 is about 94444.2044172113. The cubic root of 8919707748 is about 2073.8796098379.

The spelling of 8919707748 in words is "eight billion, nine hundred nineteen million, seven hundred seven thousand, seven hundred forty-eight".