1428879703 has 4 divisors (see below), whose sum is σ = 1436774248. Its totient is φ = 1420985160.

The previous prime is 1428879671. The next prime is 1428879707. The reversal of 1428879703 is 3079788241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3079788241 = 397 ⋅7757653.

It is a cyclic number.

It is not a de Polignac number, because 1428879703 - 2⁵ = 1428879671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428879707) 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, 3947001 + ... + 3947362.

It is an arithmetic number, because the mean of its divisors is an integer number (359193562).

Almost surely, 2^1428879703 is an apocalyptic number.

1428879703 is a deficient number, since it is larger than the sum of its proper divisors (7894545).

1428879703 is an equidigital number, since it uses as much as digits as its factorization.

1428879703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894544.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 1428879703 is about 37800.5251683095. The cubic root of 1428879703 is about 1126.3288864155.

The spelling of 1428879703 in words is "one billion, four hundred twenty-eight million, eight hundred seventy-nine thousand, seven hundred three".