64476234477 has 12 divisors (see below), whose sum is σ = 94036537504. Its totient is φ = 42566833800.

The previous prime is 64476234467. The next prime is 64476234479. The reversal of 64476234477 is 77443267446.

64476234477 is a `hidden beast` number, since 6 + 4 + 4 + 7 + 623 + 4 + 4 + 7 + 7 = 666.

It is not a de Polignac number, because 64476234477 - 2⁶ = 64476234413 is a prime.

It is a super-3 number, since 3×64476234477³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64476234479) 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 11 ways as a sum of consecutive naturals, for example, 34775899 + ... + 34777752.

Almost surely, 2^64476234477 is an apocalyptic number.

It is an amenable number.

64476234477 is a deficient number, since it is larger than the sum of its proper divisors (29560303027).

64476234477 is a wasteful number, since it uses less digits than its factorization.

64476234477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69553760 (or 69553757 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 54.

The spelling of 64476234477 in words is "sixty-four billion, four hundred seventy-six million, two hundred thirty-four thousand, four hundred seventy-seven".