7786487496 has 128 divisors (see below), whose sum is σ = 20980085760. Its totient is φ = 2403302400.

The previous prime is 7786487491. The next prime is 7786487519. The reversal of 7786487496 is 6947846877.

It is not an unprimeable number, because it can be changed into a prime (7786487491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676890 + ... + 1681526.

It is an arithmetic number, because the mean of its divisors is an integer number (163906920).

Almost surely, 2^7786487496 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 7786487496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10490042880).

7786487496 is an abundant number, since it is smaller than the sum of its proper divisors (13193598264).

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

7786487496 is a wasteful number, since it uses less digits than its factorization.

7786487496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4771 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 66.

The square root of 7786487496 is about 88241.0760133851. The cubic root of 7786487496 is about 1982.0466114880.

The spelling of 7786487496 in words is "seven billion, seven hundred eighty-six million, four hundred eighty-seven thousand, four hundred ninety-six".