64982477 has 12 divisors (see below), whose sum is σ = 76553280. Its totient is φ = 54990936.

The previous prime is 64982473. The next prime is 64982543. The reversal of 64982477 is 77428946.

It is not a de Polignac number, because 64982477 - 2² = 64982473 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 (64982473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4523 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (6379440).

Almost surely, 2^64982477 is an apocalyptic number.

It is an amenable number.

64982477 is a deficient number, since it is larger than the sum of its proper divisors (11570803).

64982477 is a wasteful number, since it uses less digits than its factorization.

64982477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16880 (or 16873 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 64982477 is about 8061.1709447201. The cubic root of 64982477 is about 402.0364417514.

The spelling of 64982477 in words is "sixty-four million, nine hundred eighty-two thousand, four hundred seventy-seven".