428694177 has 16 divisors (see below), whose sum is σ = 584801280. Its totient is φ = 279250512.

The previous prime is 428694107. The next prime is 428694187. The reversal of 428694177 is 771496824.

It is not a de Polignac number, because 428694177 - 2¹² = 428690081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428694107) 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, 22308 + ... + 36810.

It is an arithmetic number, because the mean of its divisors is an integer number (36550080).

Almost surely, 2^428694177 is an apocalyptic number.

It is an amenable number.

428694177 is a deficient number, since it is larger than the sum of its proper divisors (156107103).

428694177 is a wasteful number, since it uses less digits than its factorization.

428694177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732.

The product of its digits is 677376, while the sum is 48.

The square root of 428694177 is about 20704.9312242277. The cubic root of 428694177 is about 754.0194143744.

The spelling of 428694177 in words is "four hundred twenty-eight million, six hundred ninety-four thousand, one hundred seventy-seven".