82712344851 has 6 divisors (see below), whose sum is σ = 119473387020. Its totient is φ = 55141563228.

The previous prime is 82712344849. The next prime is 82712344859. The reversal of 82712344851 is 15844321728.

82712344851 is a `hidden beast` number, since 82 + 7 + 123 + 448 + 5 + 1 = 666.

It is not a de Polignac number, because 82712344851 - 2¹ = 82712344849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82712344797 and 82712344806.

It is not an unprimeable number, because it can be changed into a prime (82712344859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4595130261 + ... + 4595130278.

It is an arithmetic number, because the mean of its divisors is an integer number (19912231170).

Almost surely, 2^82712344851 is an apocalyptic number.

82712344851 is a deficient number, since it is larger than the sum of its proper divisors (36761042169).

82712344851 is a wasteful number, since it uses less digits than its factorization.

82712344851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190260545 (or 9190260542 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 82712344851 in words is "eighty-two billion, seven hundred twelve million, three hundred forty-four thousand, eight hundred fifty-one".