1428858873 has 80 divisors (see below), whose sum is σ = 2370244800. Its totient is φ = 852405120.

The previous prime is 1428858863. The next prime is 1428858887. The reversal of 1428858873 is 3788588241.

It is not a de Polignac number, because 1428858873 - 2⁸ = 1428858617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428858833) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6771738 + ... + 6771948.

It is an arithmetic number, because the mean of its divisors is an integer number (29628060).

Almost surely, 2^1428858873 is an apocalyptic number.

1428858873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1428858873 is a deficient number, since it is larger than the sum of its proper divisors (941385927).

1428858873 is a wasteful number, since it uses less digits than its factorization.

1428858873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 1428858873 is about 37800.2496420328. The cubic root of 1428858873 is about 1126.3234132361.

The spelling of 1428858873 in words is "one billion, four hundred twenty-eight million, eight hundred fifty-eight thousand, eight hundred seventy-three".