8420770248 has 64 divisors (see below), whose sum is σ = 23038413120. Its totient is φ = 2543673600.

The previous prime is 8420770243. The next prime is 8420770261.

8420770248 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8420770243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33378 + ... + 133998.

It is an arithmetic number, because the mean of its divisors is an integer number (359975205).

Almost surely, 2^8420770248 is an apocalyptic number.

8420770248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8420770248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11519206560).

8420770248 is an abundant number, since it is smaller than the sum of its proper divisors (14617642872).

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

8420770248 is a wasteful number, since it uses less digits than its factorization.

8420770248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100958 (or 100954 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 8420770248 is about 91764.7549334711. The cubic root of 8420770248 is about 2034.4667952482.

The spelling of 8420770248 in words is "eight billion, four hundred twenty million, seven hundred seventy thousand, two hundred forty-eight".