7287878676 has 48 divisors (see below), whose sum is σ = 18406168704. Its totient is φ = 2231031936.

The previous prime is 7287878671. The next prime is 7287878687. The reversal of 7287878676 is 6768787827.

It is a happy number.

It is a super-2 number, since 2×7287878676² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87840 + ... + 149303.

It is an arithmetic number, because the mean of its divisors is an integer number (383461848).

Almost surely, 2^7287878676 is an apocalyptic number.

It is an amenable number.

7287878676 is an abundant number, since it is smaller than the sum of its proper divisors (11118290028).

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

7287878676 is a wasteful number, since it uses less digits than its factorization.

7287878676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237360 (or 237358 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 66.

The square root of 7287878676 is about 85369.0732994098. The cubic root of 7287878676 is about 1938.8031264860.

The spelling of 7287878676 in words is "seven billion, two hundred eighty-seven million, eight hundred seventy-eight thousand, six hundred seventy-six".