1428179277 has 16 divisors (see below), whose sum is σ = 2187326592. Its totient is φ = 811957440.

The previous prime is 1428179219. The next prime is 1428179279. The reversal of 1428179277 is 7729718241.

It is not a de Polignac number, because 1428179277 - 2¹⁵ = 1428146509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428179279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168474 + ... + 176747.

It is an arithmetic number, because the mean of its divisors is an integer number (136707912).

Almost surely, 2^1428179277 is an apocalyptic number.

It is an amenable number.

1428179277 is a deficient number, since it is larger than the sum of its proper divisors (759147315).

1428179277 is a wasteful number, since it uses less digits than its factorization.

1428179277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345428.

The product of its digits is 395136, while the sum is 48.

The square root of 1428179277 is about 37791.2592671903. The cubic root of 1428179277 is about 1126.1448170414.

The spelling of 1428179277 in words is "one billion, four hundred twenty-eight million, one hundred seventy-nine thousand, two hundred seventy-seven".