1428577858 has 8 divisors (see below), whose sum is σ = 2143844352. Its totient is φ = 713963076.

The previous prime is 1428577841. The next prime is 1428577859. The reversal of 1428577858 is 8587758241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1428577799 and 1428577808.

It is not an unprimeable number, because it can be changed into a prime (1428577859) 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, 157410 + ... + 166237.

It is an arithmetic number, because the mean of its divisors is an integer number (267980544).

Almost surely, 2^1428577858 is an apocalyptic number.

1428577858 is a deficient number, since it is larger than the sum of its proper divisors (715266494).

1428577858 is a wasteful number, since it uses less digits than its factorization.

1428577858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325856.

The product of its digits is 5017600, while the sum is 55.

The square root of 1428577858 is about 37796.5323541724. The cubic root of 1428577858 is about 1126.2495700381.

The spelling of 1428577858 in words is "one billion, four hundred twenty-eight million, five hundred seventy-seven thousand, eight hundred fifty-eight".