1427064277 has 4 divisors (see below), whose sum is σ = 1476273420. Its totient is φ = 1377855136.

The previous prime is 1427064271. The next prime is 1427064299. The reversal of 1427064277 is 7724607241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7724607241 = 13 ⋅594200557.

It can be written as a sum of positive squares in 2 ways, for example, as 1039998001 + 387066276 = 32249^2 + 19674^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427064277 - 2¹⁵ = 1427031509 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427064271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24604528 + ... + 24604585.

It is an arithmetic number, because the mean of its divisors is an integer number (369068355).

Almost surely, 2^1427064277 is an apocalyptic number.

It is an amenable number.

1427064277 is a deficient number, since it is larger than the sum of its proper divisors (49209143).

1427064277 is an equidigital number, since it uses as much as digits as its factorization.

1427064277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49209142.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 1427064277 is about 37776.5042983069. The cubic root of 1427064277 is about 1125.8516749499.

The spelling of 1427064277 in words is "one billion, four hundred twenty-seven million, sixty-four thousand, two hundred seventy-seven".