75857875 has 8 divisors (see below), whose sum is σ = 94670784. Its totient is φ = 60686200.

The previous prime is 75857849. The next prime is 75857897. The reversal of 75857875 is 57875857.

It is a de Polignac number, because none of the positive numbers 2^k-75857875 is a prime.

It is a Duffinian number.

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, 303307 + ... + 303556.

It is an arithmetic number, because the mean of its divisors is an integer number (11833848).

Almost surely, 2^75857875 is an apocalyptic number.

75857875 is a deficient number, since it is larger than the sum of its proper divisors (18812909).

75857875 is an equidigital number, since it uses as much as digits as its factorization.

75857875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606878 (or 606868 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 52.

The square root of 75857875 is about 8709.6426447932. The cubic root of 75857875 is about 423.3181513696.

The spelling of 75857875 in words is "seventy-five million, eight hundred fifty-seven thousand, eight hundred seventy-five".