7891080275 has 48 divisors (see below), whose sum is σ = 10799308800. Its totient is φ = 5683436160.

The previous prime is 7891080251. The next prime is 7891080289. The reversal of 7891080275 is 5720801987.

It is a de Polignac number, because none of the positive numbers 2^k-7891080275 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5483006 + ... + 5484444.

It is an arithmetic number, because the mean of its divisors is an integer number (224985600).

Almost surely, 2^7891080275 is an apocalyptic number.

7891080275 is a deficient number, since it is larger than the sum of its proper divisors (2908228525).

7891080275 is a wasteful number, since it uses less digits than its factorization.

7891080275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 7891080275 is about 88831.7526282128. The cubic root of 7891080275 is about 1990.8818490861.

The spelling of 7891080275 in words is "seven billion, eight hundred ninety-one million, eighty thousand, two hundred seventy-five".