2761879842 has 30 divisors (see below), whose sum is σ = 6190155873. Its totient is φ = 920403648.

The previous prime is 2761879733. The next prime is 2761879867. The reversal of 2761879842 is 2489781672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2754045441 + 7834401 = 52479^2 + 2799^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=37161.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 666834 + ... + 670962.

Almost surely, 2^2761879842 is an apocalyptic number.

2761879842 is an abundant number, since it is smaller than the sum of its proper divisors (3428276031).

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

2761879842 is an frugal number, since it uses more digits than its factorization.

2761879842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 4134 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 2761879842 is about 52553.5901913466. The cubic root of 2761879842 is about 1403.0342086891.

The spelling of 2761879842 in words is "two billion, seven hundred sixty-one million, eight hundred seventy-nine thousand, eight hundred forty-two".