276788842 has 16 divisors (see below), whose sum is σ = 460354464. Its totient is φ = 123750000.

The previous prime is 276788839. The next prime is 276788857. The reversal of 276788842 is 248887672.

It is a super-2 number, since 2×276788842² = 153224126111401928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276788842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101784 + ... + 104467.

It is an arithmetic number, because the mean of its divisors is an integer number (28772154).

Almost surely, 2^276788842 is an apocalyptic number.

276788842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

276788842 is a deficient number, since it is larger than the sum of its proper divisors (183565622).

276788842 is a wasteful number, since it uses less digits than its factorization.

276788842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206325.

The product of its digits is 2408448, while the sum is 52.

The square root of 276788842 is about 16636.9721403866. The cubic root of 276788842 is about 651.7027089458.

The spelling of 276788842 in words is "two hundred seventy-six million, seven hundred eighty-eight thousand, eight hundred forty-two".