64382477 has 4 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 64252956.

The previous prime is 64382459. The next prime is 64382501. The reversal of 64382477 is 77428346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64382477 - 2¹⁰ = 64381453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64381477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64013 + ... + 65010.

It is an arithmetic number, because the mean of its divisors is an integer number (16128000).

Almost surely, 2^64382477 is an apocalyptic number.

It is an amenable number.

64382477 is a deficient number, since it is larger than the sum of its proper divisors (129523).

64382477 is a wasteful number, since it uses less digits than its factorization.

64382477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129522.

The product of its digits is 225792, while the sum is 41.

The square root of 64382477 is about 8023.8692038193. The cubic root of 64382477 is about 400.7952449991.

The spelling of 64382477 in words is "sixty-four million, three hundred eighty-two thousand, four hundred seventy-seven".