82508948671 has 16 divisors (see below), whose sum is σ = 83755015200. Its totient is φ = 81270604800.

The previous prime is 82508948651. The next prime is 82508948713. The reversal of 82508948671 is 17684980528.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82508948671 - 2¹¹ = 82508946623 is a prime.

It is a super-2 number, since 2×82508948671² (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 (82508948651) 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, 38179831 + ... + 38181991.

It is an arithmetic number, because the mean of its divisors is an integer number (5234688450).

Almost surely, 2^82508948671 is an apocalyptic number.

82508948671 is a deficient number, since it is larger than the sum of its proper divisors (1246066529).

82508948671 is a wasteful number, since it uses less digits than its factorization.

82508948671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 82508948671 in words is "eighty-two billion, five hundred eight million, nine hundred forty-eight thousand, six hundred seventy-one".