82667677017077 has 8 divisors (see below), whose sum is σ = 85885317849240. Its totient is φ = 79474504936960.

The previous prime is 82667677017049. The next prime is 82667677017097. The reversal of 82667677017077 is 77071077676628.

It can be written as a sum of positive squares in 4 ways, for example, as 664528214596 + 82003148802481 = 815186^2 + 9055559^2 .

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

It is not a de Polignac number, because 82667677017077 - 2²⁸ = 82667408581621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82667677017077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82667677017097) 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, 6117181124 + ... + 6117194637.

It is an arithmetic number, because the mean of its divisors is an integer number (10735664731155).

Almost surely, 2^{82667677017077} is an apocalyptic number.

It is an amenable number.

82667677017077 is a deficient number, since it is larger than the sum of its proper divisors (3217640832163).

82667677017077 is a wasteful number, since it uses less digits than its factorization.

82667677017077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234376023.

The product of its (nonzero) digits is 406594944, while the sum is 71.

The spelling of 82667677017077 in words is "eighty-two trillion, six hundred sixty-seven billion, six hundred seventy-seven million, seventeen thousand, seventy-seven".