71964383867 has 8 divisors (see below), whose sum is σ = 76427793072. Its totient is φ = 67526553600.

The previous prime is 71964383863. The next prime is 71964383873. The reversal of 71964383867 is 76838346917.

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

It is a cyclic number.

It is not a de Polignac number, because 71964383867 - 2² = 71964383863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71964383863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6388934 + ... + 6400187.

It is an arithmetic number, because the mean of its divisors is an integer number (9553474134).

Almost surely, 2^71964383867 is an apocalyptic number.

71964383867 is a deficient number, since it is larger than the sum of its proper divisors (4463409205).

71964383867 is a wasteful number, since it uses less digits than its factorization.

71964383867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789469.

The product of its digits is 36578304, while the sum is 62.

The spelling of 71964383867 in words is "seventy-one billion, nine hundred sixty-four million, three hundred eighty-three thousand, eight hundred sixty-seven".