975789987579 has 48 divisors (see below), whose sum is σ = 1580280549120. Its totient is φ = 574998108480.

The previous prime is 975789987569. The next prime is 975789987593.

975789987579 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 975789987579 - 2¹⁷ = 975789856507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (975789987509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5133762 + ... + 5320440.

It is an arithmetic number, because the mean of its divisors is an integer number (32922511440).

Almost surely, 2^975789987579 is an apocalyptic number.

975789987579 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

975789987579 is a deficient number, since it is larger than the sum of its proper divisors (604490561541).

975789987579 is a wasteful number, since it uses less digits than its factorization.

975789987579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188160 (or 188157 counting only the distinct ones).

The product of its digits is 25204737600, while the sum is 90.

The spelling of 975789987579 in words is "nine hundred seventy-five billion, seven hundred eighty-nine million, nine hundred eighty-seven thousand, five hundred seventy-nine".