64416377 has 8 divisors (see below), whose sum is σ = 65897280. Its totient is φ = 62948560.

The previous prime is 64416347. The next prime is 64416379. The reversal of 64416377 is 77361446.

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 64416377 - 2¹² = 64412281 is a prime.

It is a super-2 number, since 2×64416377² = 8298939251612258, which contains 22 as substring.

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 64416377.

It is not an unprimeable number, because it can be changed into a prime (64416379) 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, 7052 + ... + 13362.

It is an arithmetic number, because the mean of its divisors is an integer number (8237160).

Almost surely, 2^64416377 is an apocalyptic number.

It is an amenable number.

64416377 is a deficient number, since it is larger than the sum of its proper divisors (1480903).

64416377 is a wasteful number, since it uses less digits than its factorization.

64416377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543.

The product of its digits is 84672, while the sum is 38.

The square root of 64416377 is about 8025.9813730160. The cubic root of 64416377 is about 400.8655776705.

The spelling of 64416377 in words is "sixty-four million, four hundred sixteen thousand, three hundred seventy-seven".