82761956178873 has 16 divisors (see below), whose sum is σ = 116426637619200. Its totient is φ = 52149431402640.

The previous prime is 82761956178833. The next prime is 82761956178907. The reversal of 82761956178873 is 37887165916728.

It is not a de Polignac number, because 82761956178873 - 2⁸ = 82761956178617 is a prime.

It is a super-3 number, since 3×82761956178873³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82761956178833) 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, 1684388593 + ... + 1684437726.

It is an arithmetic number, because the mean of its divisors is an integer number (7276664851200).

Almost surely, 2^{82761956178873} is an apocalyptic number.

It is an amenable number.

82761956178873 is a deficient number, since it is larger than the sum of its proper divisors (33664681440327).

82761956178873 is a wasteful number, since it uses less digits than its factorization.

82761956178873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368826772.

The product of its digits is 1706987520, while the sum is 78.

The spelling of 82761956178873 in words is "eighty-two trillion, seven hundred sixty-one billion, nine hundred fifty-six million, one hundred seventy-eight thousand, eight hundred seventy-three".