64464477 has 32 divisors (see below), whose sum is σ = 110868480. Its totient is φ = 32329920.

The previous prime is 64464461. The next prime is 64464479. The reversal of 64464477 is 77446446.

It is not a de Polignac number, because 64464477 - 2⁴ = 64464461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64464479) 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 31 ways as a sum of consecutive naturals, for example, 1888 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (3464640).

Almost surely, 2^64464477 is an apocalyptic number.

It is an amenable number.

64464477 is a deficient number, since it is larger than the sum of its proper divisors (46404003).

64464477 is a wasteful number, since it uses less digits than its factorization.

64464477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673.

The product of its digits is 451584, while the sum is 42.

The square root of 64464477 is about 8028.9773321389. The cubic root of 64464477 is about 400.9653288929.

The spelling of 64464477 in words is "sixty-four million, four hundred sixty-four thousand, four hundred seventy-seven".