1427777042 has 8 divisors (see below), whose sum is σ = 2147172300. Its totient is φ = 712052944.

The previous prime is 1427777009. The next prime is 1427777063. The reversal of 1427777042 is 2407777241.

It can be written as a sum of positive squares in 2 ways, for example, as 1408425841 + 19351201 = 37529^2 + 4399^2 .

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

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, 916817 + ... + 918372.

Almost surely, 2^1427777042 is an apocalyptic number.

1427777042 is a deficient number, since it is larger than the sum of its proper divisors (719395258).

1427777042 is a wasteful number, since it uses less digits than its factorization.

1427777042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835580.

The product of its (nonzero) digits is 153664, while the sum is 41.

The square root of 1427777042 is about 37785.9370930509. The cubic root of 1427777042 is about 1126.0390839588.

It can be divided in two parts, 14277 and 77042, that added together give a palindrome (91319).

The spelling of 1427777042 in words is "one billion, four hundred twenty-seven million, seven hundred seventy-seven thousand, forty-two".