82763327162881 has 4 divisors (see below), whose sum is σ = 82763510505264. Its totient is φ = 82763143820500.

The previous prime is 82763327162827. The next prime is 82763327162897. The reversal of 82763327162881 is 18826172336728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82763327162881 - 2¹⁹ = 82763326638593 is a prime.

It is a super-2 number, since 2×82763327162881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82763327162801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90992395 + ... + 91897456.

It is an arithmetic number, because the mean of its divisors is an integer number (20690877626316).

Almost surely, 2^{82763327162881} is an apocalyptic number.

It is an amenable number.

82763327162881 is a deficient number, since it is larger than the sum of its proper divisors (183342383).

82763327162881 is a wasteful number, since it uses less digits than its factorization.

82763327162881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183342382.

The product of its digits is 65028096, while the sum is 64.

The spelling of 82763327162881 in words is "eighty-two trillion, seven hundred sixty-three billion, three hundred twenty-seven million, one hundred sixty-two thousand, eight hundred eighty-one".