71854080279 has 4 divisors (see below), whose sum is σ = 95805440376. Its totient is φ = 47902720184.

The previous prime is 71854080227. The next prime is 71854080283. The reversal of 71854080279 is 97208045817.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97208045817 = 3 ⋅32402681939.

It is a cyclic number.

It is not a de Polignac number, because 71854080279 - 2⁹ = 71854079767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71854081279) 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 3 ways as a sum of consecutive naturals, for example, 11975680044 + ... + 11975680049.

It is an arithmetic number, because the mean of its divisors is an integer number (23951360094).

Almost surely, 2^71854080279 is an apocalyptic number.

71854080279 is a deficient number, since it is larger than the sum of its proper divisors (23951360097).

71854080279 is a wasteful number, since it uses less digits than its factorization.

71854080279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23951360096.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 71854080279 in words is "seventy-one billion, eight hundred fifty-four million, eighty thousand, two hundred seventy-nine".