71886988742 has 8 divisors (see below), whose sum is σ = 109658118600. Its totient is φ = 35334282544.

The previous prime is 71886988741. The next prime is 71886988843. The reversal of 71886988742 is 24788968817.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71886988741) 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, 304605767 + ... + 304606002.

It is an arithmetic number, because the mean of its divisors is an integer number (13707264825).

Almost surely, 2^71886988742 is an apocalyptic number.

71886988742 is a deficient number, since it is larger than the sum of its proper divisors (37771129858).

71886988742 is a wasteful number, since it uses less digits than its factorization.

71886988742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609211830.

The product of its digits is 86704128, while the sum is 68.

The spelling of 71886988742 in words is "seventy-one billion, eight hundred eighty-six million, nine hundred eighty-eight thousand, seven hundred forty-two".