7285865072864 has 72 divisors (see below), whose sum is σ = 16705822961520. Its totient is φ = 3118791330816.

The previous prime is 7285865072833. The next prime is 7285865072869. The reversal of 7285865072864 is 4682705685827.

It is a junction number, because it is equal to n+sod(n) for n = 7285865072794 and 7285865072803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285865072869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1453577 + ... + 4084680.

It is an arithmetic number, because the mean of its divisors is an integer number (232025318910).

Almost surely, 2^{7285865072864} is an apocalyptic number.

It is an amenable number.

7285865072864 is an abundant number, since it is smaller than the sum of its proper divisors (9419957888656).

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

7285865072864 is a wasteful number, since it uses less digits than its factorization.

7285865072864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539120 (or 5539105 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 68.

The spelling of 7285865072864 in words is "seven trillion, two hundred eighty-five billion, eight hundred sixty-five million, seventy-two thousand, eight hundred sixty-four".