71207379279 has 6 divisors (see below), whose sum is σ = 102855103416. Its totient is φ = 47471586180.

The previous prime is 71207379263. The next prime is 71207379283. The reversal of 71207379279 is 97297370217.

It is a happy number.

It is not a de Polignac number, because 71207379279 - 2⁴ = 71207379263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71207379479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3955965507 + ... + 3955965524.

It is an arithmetic number, because the mean of its divisors is an integer number (17142517236).

Almost surely, 2^71207379279 is an apocalyptic number.

71207379279 is a deficient number, since it is larger than the sum of its proper divisors (31647724137).

71207379279 is a wasteful number, since it uses less digits than its factorization.

71207379279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911931037 (or 7911931034 counting only the distinct ones).

The product of its (nonzero) digits is 2333772, while the sum is 54.

The spelling of 71207379279 in words is "seventy-one billion, two hundred seven million, three hundred seventy-nine thousand, two hundred seventy-nine".