7578057138127 has 32 divisors (see below), whose sum is σ = 9141909995520. Its totient is φ = 6136437242880.

The previous prime is 7578057138061. The next prime is 7578057138137. The reversal of 7578057138127 is 7218317508757.

It is not a de Polignac number, because 7578057138127 - 2¹⁹ = 7578056613839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7578057138137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399403213 + ... + 399422185.

It is an arithmetic number, because the mean of its divisors is an integer number (285684687360).

Almost surely, 2^{7578057138127} is an apocalyptic number.

7578057138127 is a deficient number, since it is larger than the sum of its proper divisors (1563852857393).

7578057138127 is a wasteful number, since it uses less digits than its factorization.

7578057138127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27223.

The product of its (nonzero) digits is 23049600, while the sum is 61.

The spelling of 7578057138127 in words is "seven trillion, five hundred seventy-eight billion, fifty-seven million, one hundred thirty-eight thousand, one hundred twenty-seven".