82955857613 has 16 divisors (see below), whose sum is σ = 86003174400. Its totient is φ = 79960411440.

The previous prime is 82955857571. The next prime is 82955857717. The reversal of 82955857613 is 31675855928.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82955857613 - 2¹⁰ = 82955856589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82955857213) 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, 8348258 + ... + 8358188.

It is an arithmetic number, because the mean of its divisors is an integer number (5375198400).

Almost surely, 2^82955857613 is an apocalyptic number.

It is an amenable number.

82955857613 is a deficient number, since it is larger than the sum of its proper divisors (3047316787).

82955857613 is a wasteful number, since it uses less digits than its factorization.

82955857613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512.

The product of its digits is 18144000, while the sum is 59.

The spelling of 82955857613 in words is "eighty-two billion, nine hundred fifty-five million, eight hundred fifty-seven thousand, six hundred thirteen".