71500655982 has 32 divisors (see below), whose sum is σ = 163482469632. Its totient is φ = 20422209024.

The previous prime is 71500655977. The next prime is 71500656023. The reversal of 71500655982 is 28955600517.

It is a happy number.

It is a super-2 number, since 2×71500655982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139588 + ... + 403095.

It is an arithmetic number, because the mean of its divisors is an integer number (5108827176).

Almost surely, 2^71500655982 is an apocalyptic number.

71500655982 is an abundant number, since it is smaller than the sum of its proper divisors (91981813650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71500655982 is a wasteful number, since it uses less digits than its factorization.

71500655982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545832.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 71500655982 in words is "seventy-one billion, five hundred million, six hundred fifty-five thousand, nine hundred eighty-two".