428786575 has 24 divisors (see below), whose sum is σ = 627261440. Its totient is φ = 284536800.

The previous prime is 428786551. The next prime is 428786581. The reversal of 428786575 is 575687824.

It is not a de Polignac number, because 428786575 - 2⁵ = 428786543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34095 + ... + 44944.

Almost surely, 2^428786575 is an apocalyptic number.

428786575 is a deficient number, since it is larger than the sum of its proper divisors (198474865).

428786575 is a wasteful number, since it uses less digits than its factorization.

428786575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79087 (or 79082 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The square root of 428786575 is about 20707.1624082104. The cubic root of 428786575 is about 754.0735826563.

The spelling of 428786575 in words is "four hundred twenty-eight million, seven hundred eighty-six thousand, five hundred seventy-five".