82370669 has 4 divisors (see below), whose sum is σ = 82390560. Its totient is φ = 82350780.

The previous prime is 82370653. The next prime is 82370699. The reversal of 82370669 is 96607328.

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 82370669 - 2⁴ = 82370653 is a prime.

It is a super-2 number, since 2×82370669² = 13569854223015122, 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 (82370699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (20597640).

Almost surely, 2^82370669 is an apocalyptic number.

It is an amenable number.

82370669 is a deficient number, since it is larger than the sum of its proper divisors (19891).

82370669 is a wasteful number, since it uses less digits than its factorization.

82370669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 82370669 is about 9075.8288326742. The cubic root of 82370669 is about 435.1017844348.

The spelling of 82370669 in words is "eighty-two million, three hundred seventy thousand, six hundred sixty-nine".