8007838420 has 24 divisors (see below), whose sum is σ = 17701538400. Its totient is φ = 3034549152.

The previous prime is 8007838393. The next prime is 8007838507. The reversal of 8007838420 is 248387008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10536250 + ... + 10537009.

It is an arithmetic number, because the mean of its divisors is an integer number (737564100).

Almost surely, 2^8007838420 is an apocalyptic number.

It is an amenable number.

8007838420 is an abundant number, since it is smaller than the sum of its proper divisors (9693699980).

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

8007838420 is a wasteful number, since it uses less digits than its factorization.

8007838420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21073287 (or 21073285 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8007838420 is about 89486.5264718661. The cubic root of 8007838420 is about 2000.6529884465.

The spelling of 8007838420 in words is "eight billion, seven million, eight hundred thirty-eight thousand, four hundred twenty".