428177874 has 16 divisors (see below), whose sum is σ = 858827808. Its totient is φ = 142313952.

The previous prime is 428177857. The next prime is 428177881. The reversal of 428177874 is 478771824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100747 + ... + 104910.

It is an arithmetic number, because the mean of its divisors is an integer number (53676738).

Almost surely, 2^428177874 is an apocalyptic number.

428177874 is an abundant number, since it is smaller than the sum of its proper divisors (430649934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428177874 is a wasteful number, since it uses less digits than its factorization.

428177874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206009.

The product of its digits is 702464, while the sum is 48.

The square root of 428177874 is about 20692.4593511743. The cubic root of 428177874 is about 753.7165886474.

The spelling of 428177874 in words is "four hundred twenty-eight million, one hundred seventy-seven thousand, eight hundred seventy-four".