19875076971 has 8 divisors (see below), whose sum is σ = 26544345600. Its totient is φ = 13227929832.

The previous prime is 19875076957. The next prime is 19875076993. The reversal of 19875076971 is 17967057891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-19875076971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19875074971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5528275 + ... + 5531868.

It is an arithmetic number, because the mean of its divisors is an integer number (3318043200).

Almost surely, 2^19875076971 is an apocalyptic number.

19875076971 is a deficient number, since it is larger than the sum of its proper divisors (6669268629).

19875076971 is a wasteful number, since it uses less digits than its factorization.

19875076971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060745.

The product of its (nonzero) digits is 6667920, while the sum is 60.

The spelling of 19875076971 in words is "nineteen billion, eight hundred seventy-five million, seventy-six thousand, nine hundred seventy-one".