975144071879 has 4 divisors (see below), whose sum is σ = 1008769729560. Its totient is φ = 941518414200.

The previous prime is 975144071861. The next prime is 975144071897. The reversal of 975144071879 is 978170441579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978170441579 = 304561 ⋅3211739.

It is an interprime number because it is at equal distance from previous prime (975144071861) and next prime (975144071897).

It is a cyclic number.

It is not a de Polignac number, because 975144071879 - 2¹² = 975144067783 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 (975144071809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16812828797 + ... + 16812828854.

It is an arithmetic number, because the mean of its divisors is an integer number (252192432390).

Almost surely, 2^975144071879 is an apocalyptic number.

975144071879 is a deficient number, since it is larger than the sum of its proper divisors (33625657681).

975144071879 is a wasteful number, since it uses less digits than its factorization.

975144071879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33625657680.

The product of its (nonzero) digits is 17781120, while the sum is 62.

The spelling of 975144071879 in words is "nine hundred seventy-five billion, one hundred forty-four million, seventy-one thousand, eight hundred seventy-nine".