1427776077942 has 24 divisors (see below), whose sum is σ = 3093662804544. Its totient is φ = 475902594864.

The previous prime is 1427776077899. The next prime is 1427776077961. The reversal of 1427776077942 is 2497706777241.

1427776077942 is a `hidden beast` number, since 14 + 2 + 7 + 7 + 7 + 607 + 7 + 9 + 4 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1427776077942.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1508113 + ... + 2264940.

It is an arithmetic number, because the mean of its divisors is an integer number (128902616856).

Almost surely, 2^{1427776077942} is an apocalyptic number.

1427776077942 is an abundant number, since it is smaller than the sum of its proper divisors (1665886726602).

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

1427776077942 is a wasteful number, since it uses less digits than its factorization.

1427776077942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794084 (or 3794081 counting only the distinct ones).

The product of its (nonzero) digits is 58084992, while the sum is 63.

The spelling of 1427776077942 in words is "one trillion, four hundred twenty-seven billion, seven hundred seventy-six million, seventy-seven thousand, nine hundred forty-two".