8248778428 has 24 divisors (see below), whose sum is σ = 16082728704. Its totient is φ = 3669668400.

The previous prime is 8248778423. The next prime is 8248778431.

8248778428 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8248778423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992318 + ... + 1996453.

It is an arithmetic number, because the mean of its divisors is an integer number (670113696).

Almost surely, 2^8248778428 is an apocalyptic number.

It is an amenable number.

8248778428 is a deficient number, since it is larger than the sum of its proper divisors (7833950276).

8248778428 is a wasteful number, since it uses less digits than its factorization.

8248778428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988833 (or 3988831 counting only the distinct ones).

The product of its digits is 12845056, while the sum is 58.

The square root of 8248778428 is about 90822.7858414396. The cubic root of 8248778428 is about 2020.5202747691.

The spelling of 8248778428 in words is "eight billion, two hundred forty-eight million, seven hundred seventy-eight thousand, four hundred twenty-eight".