82626623 has 2 divisors, whose sum is σ = 82626624. Its totient is φ = 82626622.

The previous prime is 82626619. The next prime is 82626631. The reversal of 82626623 is 32662628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82626623 - 2² = 82626619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82626673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41313311 + 41313312.

It is an arithmetic number, because the mean of its divisors is an integer number (41313312).

Almost surely, 2^82626623 is an apocalyptic number.

82626623 is a deficient number, since it is larger than the sum of its proper divisors (1).

82626623 is an equidigital number, since it uses as much as digits as its factorization.

82626623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 82626623 is about 9089.9187565126. The cubic root of 82626623 is about 435.5519887423.

The spelling of 82626623 in words is "eighty-two million, six hundred twenty-six thousand, six hundred twenty-three".