64877386 has 16 divisors (see below), whose sum is σ = 112786560. Its totient is φ = 27412560.

The previous prime is 64877377. The next prime is 64877387. The reversal of 64877386 is 68377846.

It is not an unprimeable number, because it can be changed into a prime (64877387) 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, 31641 + ... + 33628.

It is an arithmetic number, because the mean of its divisors is an integer number (7049160).

Almost surely, 2^64877386 is an apocalyptic number.

64877386 is a deficient number, since it is larger than the sum of its proper divisors (47909174).

64877386 is a wasteful number, since it uses less digits than its factorization.

64877386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65349.

The product of its digits is 1354752, while the sum is 49.

The square root of 64877386 is about 8054.6499613577. The cubic root of 64877386 is about 401.8195976102.

The spelling of 64877386 in words is "sixty-four million, eight hundred seventy-seven thousand, three hundred eighty-six".