75875078231 has 4 divisors (see below), whose sum is σ = 75962999232. Its totient is φ = 75787157232.

The previous prime is 75875078171. The next prime is 75875078233. The reversal of 75875078231 is 13287057857.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75875078231 is a prime.

It is a super-2 number, since 2×75875078231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75875078233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43959206 + ... + 43960931.

It is an arithmetic number, because the mean of its divisors is an integer number (18990749808).

Almost surely, 2^75875078231 is an apocalyptic number.

75875078231 is a deficient number, since it is larger than the sum of its proper divisors (87921001).

75875078231 is an equidigital number, since it uses as much as digits as its factorization.

75875078231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87921000.

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 75875078231 in words is "seventy-five billion, eight hundred seventy-five million, seventy-eight thousand, two hundred thirty-one".