64297799 has 8 divisors (see below), whose sum is σ = 66352608. Its totient is φ = 62266240.

The previous prime is 64297789. The next prime is 64297817. The reversal of 64297799 is 99779246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64297799 - 2¹² = 64293703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64297799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64297769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (8294076).

Almost surely, 2^64297799 is an apocalyptic number.

64297799 is a deficient number, since it is larger than the sum of its proper divisors (2054809).

64297799 is a wasteful number, since it uses less digits than its factorization.

64297799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its digits is 1714608, while the sum is 53.

The square root of 64297799 is about 8018.5908363004. The cubic root of 64297799 is about 400.6194547776.

The spelling of 64297799 in words is "sixty-four million, two hundred ninety-seven thousand, seven hundred ninety-nine".