71853242479 has 8 divisors (see below), whose sum is σ = 72293024160. Its totient is φ = 71413574496.

The previous prime is 71853242441. The next prime is 71853242537. The reversal of 71853242479 is 97424235817.

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 71853242479 - 2¹⁹ = 71852718191 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 (71853242579) 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, 1484017 + ... + 1531669.

It is an arithmetic number, because the mean of its divisors is an integer number (9036628020).

Almost surely, 2^71853242479 is an apocalyptic number.

71853242479 is a deficient number, since it is larger than the sum of its proper divisors (439781681).

71853242479 is a wasteful number, since it uses less digits than its factorization.

71853242479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56849.

The product of its digits is 3386880, while the sum is 52.

The spelling of 71853242479 in words is "seventy-one billion, eight hundred fifty-three million, two hundred forty-two thousand, four hundred seventy-nine".