71099314247 has 8 divisors (see below), whose sum is σ = 76687952880. Its totient is φ = 65527741440.

The previous prime is 71099314243. The next prime is 71099314261. The reversal of 71099314247 is 74241399017.

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 71099314247 - 2² = 71099314243 is a prime.

It is a super-2 number, since 2×71099314247² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71099314243) 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 7 ways as a sum of consecutive naturals, for example, 4257797 + ... + 4274462.

It is an arithmetic number, because the mean of its divisors is an integer number (9585994110).

Almost surely, 2^71099314247 is an apocalyptic number.

71099314247 is a deficient number, since it is larger than the sum of its proper divisors (5588638633).

71099314247 is a wasteful number, since it uses less digits than its factorization.

71099314247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532913.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 71099314247 in words is "seventy-one billion, ninety-nine million, three hundred fourteen thousand, two hundred forty-seven".