64800431 has 8 divisors (see below), whose sum is σ = 70055280. Its totient is φ = 59730048.

The previous prime is 64800427. The next prime is 64800433. The reversal of 64800431 is 13400846.

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 64800431 - 2² = 64800427 is a prime.

It is a super-2 number, since 2×64800431² = 8398191715571522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64800431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64800433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45386 + ... + 46791.

It is an arithmetic number, because the mean of its divisors is an integer number (8756910).

Almost surely, 2^64800431 is an apocalyptic number.

64800431 is a deficient number, since it is larger than the sum of its proper divisors (5254849).

64800431 is a wasteful number, since it uses less digits than its factorization.

64800431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92233.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 64800431 is about 8049.8714896575. The cubic root of 64800431 is about 401.6606605584.

The spelling of 64800431 in words is "sixty-four million, eight hundred thousand, four hundred thirty-one".