82706557862831 has 8 divisors (see below), whose sum is σ = 94522173356160. Its totient is φ = 70891040604888.

The previous prime is 82706557862791. The next prime is 82706557862849. The reversal of 82706557862831 is 13826875560728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82706557862831 - 2⁴⁶ = 12337813685167 is a prime.

It is a super-2 number, since 2×82706557862831² (a number of 29 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 (82706557862861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22745801 + ... + 26130146.

It is an arithmetic number, because the mean of its divisors is an integer number (11815271669520).

Almost surely, 2^{82706557862831} is an apocalyptic number.

82706557862831 is a deficient number, since it is larger than the sum of its proper divisors (11815615493329).

82706557862831 is a wasteful number, since it uses less digits than its factorization.

82706557862831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49117693.

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 82706557862831 in words is "eighty-two trillion, seven hundred six billion, five hundred fifty-seven million, eight hundred sixty-two thousand, eight hundred thirty-one".