8371764420 has 48 divisors (see below), whose sum is σ = 24674677440. Its totient is φ = 2114971776.

The previous prime is 8371764413. The next prime is 8371764421. The reversal of 8371764420 is 244671738.

It is not an unprimeable number, because it can be changed into a prime (8371764421) 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, 3670687 + ... + 3672966.

It is an arithmetic number, because the mean of its divisors is an integer number (514055780).

Almost surely, 2^8371764420 is an apocalyptic number.

It is an amenable number.

8371764420 is an abundant number, since it is smaller than the sum of its proper divisors (16302913020).

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

8371764420 is a wasteful number, since it uses less digits than its factorization.

8371764420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343684 (or 7343682 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 8371764420 is about 91497.3465189018. The cubic root of 8371764420 is about 2030.5124948693.

The spelling of 8371764420 in words is "eight billion, three hundred seventy-one million, seven hundred sixty-four thousand, four hundred twenty".