82790555759 has 4 divisors (see below), whose sum is σ = 85461218880. Its totient is φ = 80119892640.

The previous prime is 82790555753. The next prime is 82790555767. The reversal of 82790555759 is 95755509728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82790555759 - 2³⁶ = 14071079023 is a prime.

It is a super-2 number, since 2×82790555759² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82790555753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335331514 + ... + 1335331575.

It is an arithmetic number, because the mean of its divisors is an integer number (21365304720).

Almost surely, 2^82790555759 is an apocalyptic number.

82790555759 is a deficient number, since it is larger than the sum of its proper divisors (2670663121).

82790555759 is a wasteful number, since it uses less digits than its factorization.

82790555759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670663120.

The product of its (nonzero) digits is 39690000, while the sum is 62.

The spelling of 82790555759 in words is "eighty-two billion, seven hundred ninety million, five hundred fifty-five thousand, seven hundred fifty-nine".