1975428567 has 20 divisors (see below), whose sum is σ = 3372513936. Its totient is φ = 1128816000.

The previous prime is 1975428551. The next prime is 1975428569. The reversal of 1975428567 is 7658245791.

1975428567 is a `hidden beast` number, since 1 + 9 + 7 + 54 + 28 + 567 = 666.

It is not a de Polignac number, because 1975428567 - 2⁴ = 1975428551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975428569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1741434 + ... + 1742567.

Almost surely, 2^1975428567 is an apocalyptic number.

1975428567 is a deficient number, since it is larger than the sum of its proper divisors (1397085369).

1975428567 is an equidigital number, since it uses as much as digits as its factorization.

1975428567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484020 (or 3484011 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 1975428567 is about 44445.7935804953. The cubic root of 1975428567 is about 1254.7400967589.

The spelling of 1975428567 in words is "one billion, nine hundred seventy-five million, four hundred twenty-eight thousand, five hundred sixty-seven".