64576377463 has 32 divisors (see below), whose sum is σ = 76359943296. Its totient is φ = 54055600128.

The previous prime is 64576377457. The next prime is 64576377493. The reversal of 64576377463 is 36477367546.

64576377463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64576377463 - 2²¹ = 64574280311 is a prime.

It is a super-3 number, since 3×64576377463³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64576377398 and 64576377407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64576377493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803895 + ... + 880567.

It is an arithmetic number, because the mean of its divisors is an integer number (2386248228).

Almost surely, 2^64576377463 is an apocalyptic number.

64576377463 is a deficient number, since it is larger than the sum of its proper divisors (11783565833).

64576377463 is a wasteful number, since it uses less digits than its factorization.

64576377463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76843.

The product of its digits is 53343360, while the sum is 58.

The spelling of 64576377463 in words is "sixty-four billion, five hundred seventy-six million, three hundred seventy-seven thousand, four hundred sixty-three".