71976799923 has 16 divisors (see below), whose sum is σ = 109752443136. Its totient is φ = 41102033760.

The previous prime is 71976799897. The next prime is 71976799927. The reversal of 71976799923 is 32999767917.

It is not a de Polignac number, because 71976799923 - 2⁸ = 71976799667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71976799927) 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 15 ways as a sum of consecutive naturals, for example, 1116493 + ... + 1179198.

It is an arithmetic number, because the mean of its divisors is an integer number (6859527696).

Almost surely, 2^71976799923 is an apocalyptic number.

71976799923 is a deficient number, since it is larger than the sum of its proper divisors (37775643213).

71976799923 is a wasteful number, since it uses less digits than its factorization.

71976799923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297194.

The product of its digits is 81015228, while the sum is 69.

The spelling of 71976799923 in words is "seventy-one billion, nine hundred seventy-six million, seven hundred ninety-nine thousand, nine hundred twenty-three".