7749358848 has 648 divisors, whose sum is σ = 29642872896. Its totient is φ = 1906882560.

The previous prime is 7749358819. The next prime is 7749358871. The reversal of 7749358848 is 8488539477.

7749358848 is a `hidden beast` number, since 7 + 7 + 4 + 9 + 3 + 588 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (54190080) is a multiple of the sum of its prime divisors (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 407860983 + ... + 407861001.

Almost surely, 2^7749358848 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 7749358848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14821436448).

7749358848 is an abundant number, since it is smaller than the sum of its proper divisors (21893514048).

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

7749358848 is a wasteful number, since it uses less digits than its factorization.

7749358848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 42 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The square root of 7749358848 is about 88030.4427343178. The cubic root of 7749358848 is about 1978.8912310746.

The spelling of 7749358848 in words is "seven billion, seven hundred forty-nine million, three hundred fifty-eight thousand, eight hundred forty-eight".