82754674309 has 2 divisors, whose sum is σ = 82754674310. Its totient is φ = 82754674308.

The previous prime is 82754674279. The next prime is 82754674393. The reversal of 82754674309 is 90347645728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69603630625 + 13151043684 = 263825^2 + 114678^2 .

It is a cyclic number.

It is not a de Polignac number, because 82754674309 - 2⁷ = 82754674181 is a prime.

It is a super-2 number, since 2×82754674309² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82754674309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82754671309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41377337154 + 41377337155.

It is an arithmetic number, because the mean of its divisors is an integer number (41377337155).

Almost surely, 2^82754674309 is an apocalyptic number.

It is an amenable number.

82754674309 is a deficient number, since it is larger than the sum of its proper divisors (1).

82754674309 is an equidigital number, since it uses as much as digits as its factorization.

82754674309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 82754674309 in words is "eighty-two billion, seven hundred fifty-four million, six hundred seventy-four thousand, three hundred nine".