8975438918407 has 4 divisors (see below), whose sum is σ = 9665857296760. Its totient is φ = 8285020540056.

The previous prime is 8975438918389. The next prime is 8975438918419. The reversal of 8975438918407 is 7048198345798.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8975438918407 - 2¹¹ = 8975438916359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8975438918407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8975438918107) 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 3 ways as a sum of consecutive naturals, for example, 345209189157 + ... + 345209189182.

It is an arithmetic number, because the mean of its divisors is an integer number (2416464324190).

Almost surely, 2^{8975438918407} is an apocalyptic number.

8975438918407 is a deficient number, since it is larger than the sum of its proper divisors (690418378353).

8975438918407 is a wasteful number, since it uses less digits than its factorization.

8975438918407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690418378352.

The product of its (nonzero) digits is 487710720, while the sum is 73.

The spelling of 8975438918407 in words is "eight trillion, nine hundred seventy-five billion, four hundred thirty-eight million, nine hundred eighteen thousand, four hundred seven".