2742287878 has 8 divisors (see below), whose sum is σ = 4487380200. Its totient is φ = 1246494480.

The previous prime is 2742287831. The next prime is 2742287881. The reversal of 2742287878 is 8787822472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62324703 + ... + 62324746.

It is an arithmetic number, because the mean of its divisors is an integer number (560922525).

Almost surely, 2^2742287878 is an apocalyptic number.

2742287878 is a deficient number, since it is larger than the sum of its proper divisors (1745092322).

2742287878 is a wasteful number, since it uses less digits than its factorization.

2742287878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124649462.

The product of its digits is 5619712, while the sum is 55.

The square root of 2742287878 is about 52366.8585844139. The cubic root of 2742287878 is about 1399.7087622080.

The spelling of 2742287878 in words is "two billion, seven hundred forty-two million, two hundred eighty-seven thousand, eight hundred seventy-eight".