7287878675 has 24 divisors (see below), whose sum is σ = 11266874112. Its totient is φ = 4543092000.

The previous prime is 7287878671. The next prime is 7287878687. The reversal of 7287878675 is 5768787827.

It is not a de Polignac number, because 7287878675 - 2² = 7287878671 is a prime.

It is a super-3 number, since 3×7287878675³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7287878671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1891031 + ... + 1894880.

It is an arithmetic number, because the mean of its divisors is an integer number (469453088).

Almost surely, 2^7287878675 is an apocalyptic number.

7287878675 is a deficient number, since it is larger than the sum of its proper divisors (3978995437).

7287878675 is a wasteful number, since it uses less digits than its factorization.

7287878675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785939 (or 3785934 counting only the distinct ones).

The product of its digits is 73758720, while the sum is 65.

The square root of 7287878675 is about 85369.0732935529. The cubic root of 7287878675 is about 1938.8031263973.

The spelling of 7287878675 in words is "seven billion, two hundred eighty-seven million, eight hundred seventy-eight thousand, six hundred seventy-five".