7875813474 has 12 divisors (see below), whose sum is σ = 17064262566. Its totient is φ = 2625271152.

The previous prime is 7875813461. The next prime is 7875813497. The reversal of 7875813474 is 4743185787.

It can be written as a sum of positive squares in only one way, i.e., 7474812849 + 401000625 = 86457^2 + 20025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7875813474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218772579 + ... + 218772614.

Almost surely, 2^7875813474 is an apocalyptic number.

7875813474 is an abundant number, since it is smaller than the sum of its proper divisors (9188449092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7875813474 is a wasteful number, since it uses less digits than its factorization.

7875813474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437545201 (or 437545198 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 7875813474 is about 88745.7800348839. The cubic root of 7875813474 is about 1989.5971065542.

The spelling of 7875813474 in words is "seven billion, eight hundred seventy-five million, eight hundred thirteen thousand, four hundred seventy-four".