82759769 has 2 divisors, whose sum is σ = 82759770. Its totient is φ = 82759768.

The previous prime is 82759741. The next prime is 82759777. The reversal of 82759769 is 96795728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 3193369 = 8920^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 82759769 - 2⁸ = 82759513 is a prime.

It is a super-2 number, since 2×82759769² = 13698358729866722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82759769.

It is not a weakly prime, because it can be changed into another prime (82750769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41379884 + 41379885.

It is an arithmetic number, because the mean of its divisors is an integer number (41379885).

Almost surely, 2^82759769 is an apocalyptic number.

It is an amenable number.

82759769 is a deficient number, since it is larger than the sum of its proper divisors (1).

82759769 is an equidigital number, since it uses as much as digits as its factorization.

82759769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 53.

The square root of 82759769 is about 9097.2396362853. The cubic root of 82759769 is about 435.7858152463.

The spelling of 82759769 in words is "eighty-two million, seven hundred fifty-nine thousand, seven hundred sixty-nine".