69648797 has 2 divisors, whose sum is σ = 69648798. Its totient is φ = 69648796.

The previous prime is 69648773. The next prime is 69648809. The reversal of 69648797 is 79784696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 27994681 = 6454^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 69648797 - 2¹⁴ = 69632413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69648707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34824398 + 34824399.

It is an arithmetic number, because the mean of its divisors is an integer number (34824399).

Almost surely, 2^69648797 is an apocalyptic number.

It is an amenable number.

69648797 is a deficient number, since it is larger than the sum of its proper divisors (1).

69648797 is an equidigital number, since it uses as much as digits as its factorization.

69648797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 56.

The square root of 69648797 is about 8345.5854797611. The cubic root of 69648797 is about 411.4381322814.

The spelling of 69648797 in words is "sixty-nine million, six hundred forty-eight thousand, seven hundred ninety-seven".