64616867 has 8 divisors (see below), whose sum is σ = 77058816. Its totient is φ = 52977672.

The previous prime is 64616857. The next prime is 64616879. The reversal of 64616867 is 76861646.

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 64616867 - 2¹² = 64612771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64616807) 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, 200513 + ... + 200834.

It is an arithmetic number, because the mean of its divisors is an integer number (9632352).

Almost surely, 2^64616867 is an apocalyptic number.

64616867 is a deficient number, since it is larger than the sum of its proper divisors (12441949).

64616867 is a wasteful number, since it uses less digits than its factorization.

64616867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401377.

The product of its digits is 290304, while the sum is 44.

The square root of 64616867 is about 8038.4617309533. The cubic root of 64616867 is about 401.2810325924.

The spelling of 64616867 in words is "sixty-four million, six hundred sixteen thousand, eight hundred sixty-seven".