7540078607579 has 4 divisors (see below), whose sum is σ = 8617232694384. Its totient is φ = 6462924520776.

The previous prime is 7540078607527. The next prime is 7540078607587. The reversal of 7540078607579 is 9757068700457.

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

It is a cyclic number.

It is not a de Polignac number, because 7540078607579 - 2²⁴ = 7540061830363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7540078607279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538577043392 + ... + 538577043405.

It is an arithmetic number, because the mean of its divisors is an integer number (2154308173596).

Almost surely, 2^{7540078607579} is an apocalyptic number.

7540078607579 is a deficient number, since it is larger than the sum of its proper divisors (1077154086805).

7540078607579 is a wasteful number, since it uses less digits than its factorization.

7540078607579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077154086804.

The product of its (nonzero) digits is 103723200, while the sum is 65.

The spelling of 7540078607579 in words is "seven trillion, five hundred forty billion, seventy-eight million, six hundred seven thousand, five hundred seventy-nine".