82077622077 has 8 divisors (see below), whose sum is σ = 119385632160. Its totient is φ = 49744013360.

The previous prime is 82077622057. The next prime is 82077622111. The reversal of 82077622077 is 77022677028.

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

It is a cyclic number.

It is not a de Polignac number, because 82077622077 - 2⁶ = 82077622013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82077622057) 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, 1243600302 + ... + 1243600367.

It is an arithmetic number, because the mean of its divisors is an integer number (14923204020).

Almost surely, 2^82077622077 is an apocalyptic number.

It is an amenable number.

82077622077 is a deficient number, since it is larger than the sum of its proper divisors (37308010083).

82077622077 is a wasteful number, since it uses less digits than its factorization.

82077622077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487200683.

The product of its (nonzero) digits is 921984, while the sum is 48.

The spelling of 82077622077 in words is "eighty-two billion, seventy-seven million, six hundred twenty-two thousand, seventy-seven".