7716328920 has 192 divisors, whose sum is σ = 26067918240. Its totient is φ = 2052864000.

The previous prime is 7716328913. The next prime is 7716328927. The reversal of 7716328920 is 298236177.

7716328920 is a `hidden beast` number, since 7 + 7 + 1 + 632 + 8 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7716328913) and next prime (7716328927).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7716328927) 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, 6424320 + ... + 6425520.

Almost surely, 2^7716328920 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 7716328920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13033959120).

7716328920 is an abundant number, since it is smaller than the sum of its proper divisors (18351589320).

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

7716328920 is a wasteful number, since it uses less digits than its factorization.

7716328920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7716328920 is about 87842.6372554923. The cubic root of 7716328920 is about 1976.0756983627.

The spelling of 7716328920 in words is "seven billion, seven hundred sixteen million, three hundred twenty-eight thousand, nine hundred twenty".