2879287540 has 24 divisors (see below), whose sum is σ = 6160591080. Its totient is φ = 1129984128.

The previous prime is 2879287519. The next prime is 2879287553. The reversal of 2879287540 is 457829782.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29008996 + 2850278544 = 5386^2 + 53388^2 .

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, 1357095 + ... + 1359214.

It is an arithmetic number, because the mean of its divisors is an integer number (256691295).

Almost surely, 2^2879287540 is an apocalyptic number.

2879287540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2879287540 is an abundant number, since it is smaller than the sum of its proper divisors (3281303540).

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

2879287540 is a wasteful number, since it uses less digits than its factorization.

2879287540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716371 (or 2716369 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 2879287540 is about 53658.9930952865. The cubic root of 2879287540 is about 1422.6399906294.

The spelling of 2879287540 in words is "two billion, eight hundred seventy-nine million, two hundred eighty-seven thousand, five hundred forty".