82697623 has 2 divisors, whose sum is σ = 82697624. Its totient is φ = 82697622.

The previous prime is 82697621. The next prime is 82697653. The reversal of 82697623 is 32679628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82697623 - 2¹ = 82697621 is a prime.

Together with 82697621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82697623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82697621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348811 + 41348812.

It is an arithmetic number, because the mean of its divisors is an integer number (41348812).

Almost surely, 2^82697623 is an apocalyptic number.

82697623 is a deficient number, since it is larger than the sum of its proper divisors (1).

82697623 is an equidigital number, since it uses as much as digits as its factorization.

82697623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 82697623 is about 9093.8233433468. The cubic root of 82697623 is about 435.6767077765.

The spelling of 82697623 in words is "eighty-two million, six hundred ninety-seven thousand, six hundred twenty-three".