864784848475 has 12 divisors (see below), whose sum is σ = 1128771802840. Its totient is φ = 655415884800.

The previous prime is 864784848461. The next prime is 864784848479. The reversal of 864784848475 is 574848487468.

864784848475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864784848475 - 2¹⁵ = 864784815707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 864784848398 and 864784848407.

It is not an unprimeable number, because it can be changed into a prime (864784848479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910299366 + ... + 910300315.

Almost surely, 2^864784848475 is an apocalyptic number.

864784848475 is a deficient number, since it is larger than the sum of its proper divisors (263986954365).

864784848475 is a wasteful number, since it uses less digits than its factorization.

864784848475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820599710 (or 1820599705 counting only the distinct ones).

The product of its digits is 1541406720, while the sum is 73.

The spelling of 864784848475 in words is "eight hundred sixty-four billion, seven hundred eighty-four million, eight hundred forty-eight thousand, four hundred seventy-five".