2975872785791 has 4 divisors (see below), whose sum is σ = 2975887603752. Its totient is φ = 2975857967832.

The previous prime is 2975872785761. The next prime is 2975872785799. The reversal of 2975872785791 is 1975872785792.

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 2975872785791 - 2²⁶ = 2975805676927 is a prime.

It is a super-2 number, since 2×2975872785791² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975872785799) 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, 7103540 + ... + 7510793.

It is an arithmetic number, because the mean of its divisors is an integer number (743971900938).

Almost surely, 2^{2975872785791} is an apocalyptic number.

2975872785791 is a deficient number, since it is larger than the sum of its proper divisors (14817961).

2975872785791 is a wasteful number, since it uses less digits than its factorization.

2975872785791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14817960.

The product of its digits is 1244678400, while the sum is 77.

Subtracting from 2975872785791 its reverse (1975872785792), we obtain a palindrome (999999999999).

The spelling of 2975872785791 in words is "two trillion, nine hundred seventy-five billion, eight hundred seventy-two million, seven hundred eighty-five thousand, seven hundred ninety-one".