8246648778 has 8 divisors (see below), whose sum is σ = 16493297568. Its totient is φ = 2748882924.

The previous prime is 8246648759. The next prime is 8246648789. The reversal of 8246648778 is 8778466428.

It is a sphenic number, since it is the product of 3 distinct primes.

8246648778 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687220726 + ... + 687220737.

It is an arithmetic number, because the mean of its divisors is an integer number (2061662196).

Almost surely, 2^8246648778 is an apocalyptic number.

8246648778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8246648778 is a wasteful number, since it uses less digits than its factorization.

8246648778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374441468.

The product of its digits is 28901376, while the sum is 60.

The square root of 8246648778 is about 90811.0608791682. The cubic root of 8246648778 is about 2020.3463754292.

The spelling of 8246648778 in words is "eight billion, two hundred forty-six million, six hundred forty-eight thousand, seven hundred seventy-eight".