1428727083 has 16 divisors (see below), whose sum is σ = 2188394496. Its totient is φ = 812183040.

The previous prime is 1428727081. The next prime is 1428727093. The reversal of 1428727083 is 3807278241.

It is not a de Polignac number, because 1428727083 - 2¹ = 1428727081 is a prime.

It is a super-2 number, since 2×1428727083² = 4082522155395377778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428727081) 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, 172203 + ... + 180308.

It is an arithmetic number, because the mean of its divisors is an integer number (136774656).

Almost surely, 2^1428727083 is an apocalyptic number.

1428727083 is a deficient number, since it is larger than the sum of its proper divisors (759667413).

1428727083 is a wasteful number, since it uses less digits than its factorization.

1428727083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352714.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1428727083 is about 37798.5063593788. The cubic root of 1428727083 is about 1126.2887835678.

The spelling of 1428727083 in words is "one billion, four hundred twenty-eight million, seven hundred twenty-seven thousand, eighty-three".