71435779375 has 10 divisors (see below), whose sum is σ = 89266150688. Its totient is φ = 57148623000.

The previous prime is 71435779361. The next prime is 71435779381. The reversal of 71435779375 is 57397753417.

It is a happy number.

It is not a de Polignac number, because 71435779375 - 2¹⁵ = 71435746607 is a prime.

It is a super-3 number, since 3×71435779375³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57147999 + ... + 57149248.

Almost surely, 2^71435779375 is an apocalyptic number.

71435779375 is a deficient number, since it is larger than the sum of its proper divisors (17830371313).

71435779375 is an equidigital number, since it uses as much as digits as its factorization.

71435779375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114297267 (or 114297252 counting only the distinct ones).

The product of its digits is 19448100, while the sum is 58.

The spelling of 71435779375 in words is "seventy-one billion, four hundred thirty-five million, seven hundred seventy-nine thousand, three hundred seventy-five".