2807685420 has 24 divisors (see below), whose sum is σ = 7861519344. Its totient is φ = 748716096.

The previous prime is 2807685383. The next prime is 2807685421. The reversal of 2807685420 is 245867082.

It is a happy number.

2807685420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2807685421) 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, 23397319 + ... + 23397438.

It is an arithmetic number, because the mean of its divisors is an integer number (327563306).

Almost surely, 2^2807685420 is an apocalyptic number.

2807685420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2807685420 is an abundant number, since it is smaller than the sum of its proper divisors (5053833924).

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

2807685420 is a wasteful number, since it uses less digits than its factorization.

2807685420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46794769 (or 46794767 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2807685420 is about 52987.5968505838. The cubic root of 2807685420 is about 1410.7481267001.

The spelling of 2807685420 in words is "two billion, eight hundred seven million, six hundred eighty-five thousand, four hundred twenty".