8694919840 has 96 divisors (see below), whose sum is σ = 21690728640. Its totient is φ = 3284582400.

The previous prime is 8694919817. The next prime is 8694919903. The reversal of 8694919840 is 489194968.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001920 + ... + 1010560.

It is an arithmetic number, because the mean of its divisors is an integer number (225945090).

Almost surely, 2^8694919840 is an apocalyptic number.

8694919840 is a gapful number since it is divisible by the number (80) 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 8694919840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10845364320).

8694919840 is an abundant number, since it is smaller than the sum of its proper divisors (12995808800).

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

8694919840 is a wasteful number, since it uses less digits than its factorization.

8694919840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006 (or 8998 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 8694919840 is about 93246.5540382056. The cubic root of 8694919840 is about 2056.3097157912.

The spelling of 8694919840 in words is "eight billion, six hundred ninety-four million, nine hundred nineteen thousand, eight hundred forty".