69897623 has 2 divisors, whose sum is σ = 69897624. Its totient is φ = 69897622.

The previous prime is 69897617. The next prime is 69897629. The reversal of 69897623 is 32679896.

It is a balanced prime because it is at equal distance from previous prime (69897617) and next prime (69897629).

It is a cyclic number.

It is not a de Polignac number, because 69897623 - 2⁶ = 69897559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69897629) 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 as a sum of consecutive naturals, namely, 34948811 + 34948812.

It is an arithmetic number, because the mean of its divisors is an integer number (34948812).

Almost surely, 2^69897623 is an apocalyptic number.

69897623 is a deficient number, since it is larger than the sum of its proper divisors (1).

69897623 is an equidigital number, since it uses as much as digits as its factorization.

69897623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 69897623 is about 8360.4798307274. The cubic root of 69897623 is about 411.9275153690.

The spelling of 69897623 in words is "sixty-nine million, eight hundred ninety-seven thousand, six hundred twenty-three".