82369069 has 4 divisors (see below), whose sum is σ = 82494720. Its totient is φ = 82243420.

The previous prime is 82369061. The next prime is 82369073. The reversal of 82369069 is 96096328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82369069 - 2³ = 82369061 is a prime.

It is a super-2 number, since 2×82369069² = 13569327055853522, which 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 (82369061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61837 + ... + 63154.

It is an arithmetic number, because the mean of its divisors is an integer number (20623680).

Almost surely, 2^82369069 is an apocalyptic number.

It is an amenable number.

82369069 is a deficient number, since it is larger than the sum of its proper divisors (125651).

82369069 is a wasteful number, since it uses less digits than its factorization.

82369069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125650.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 82369069 is about 9075.7406860267. The cubic root of 82369069 is about 435.0989672210.

The spelling of 82369069 in words is "eighty-two million, three hundred sixty-nine thousand, sixty-nine".