2787275442 has 32 divisors (see below), whose sum is σ = 6466010112. Its totient is φ = 784477584.

The previous prime is 2787275431. The next prime is 2787275461. The reversal of 2787275442 is 2445727872.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2787275391 and 2787275400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492438 + ... + 498065.

It is an arithmetic number, because the mean of its divisors is an integer number (202062816).

Almost surely, 2^2787275442 is an apocalyptic number.

2787275442 is an abundant number, since it is smaller than the sum of its proper divisors (3678734670).

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

2787275442 is a wasteful number, since it uses less digits than its factorization.

2787275442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990582.

The product of its digits is 1756160, while the sum is 48.

The square root of 2787275442 is about 52794.6535361300. The cubic root of 2787275442 is about 1407.3214143698.

The spelling of 2787275442 in words is "two billion, seven hundred eighty-seven million, two hundred seventy-five thousand, four hundred forty-two".