71427099587 has 16 divisors (see below), whose sum is σ = 77595677760. Its totient is φ = 65564370432.

The previous prime is 71427099529. The next prime is 71427099593. The reversal of 71427099587 is 78599072417.

It is a cyclic number.

It is not a de Polignac number, because 71427099587 - 2²⁴ = 71410322371 is a prime.

It is a super-2 number, since 2×71427099587² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71427099517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512762 + ... + 637007.

It is an arithmetic number, because the mean of its divisors is an integer number (4849729860).

Almost surely, 2^71427099587 is an apocalyptic number.

71427099587 is a deficient number, since it is larger than the sum of its proper divisors (6168578173).

71427099587 is a wasteful number, since it uses less digits than its factorization.

71427099587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149902.

The product of its (nonzero) digits is 8890560, while the sum is 59.

The spelling of 71427099587 in words is "seventy-one billion, four hundred twenty-seven million, ninety-nine thousand, five hundred eighty-seven".