464778606877463 has 4 divisors (see below), whose sum is σ = 469042630793880. Its totient is φ = 460514582961048.

The previous prime is 464778606877451. The next prime is 464778606877549. The reversal of 464778606877463 is 364778606877464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 464778606877463 - 2⁴ = 464778606877447 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 (464778606877163) 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, 2132011958045 + ... + 2132011958262.

It is an arithmetic number, because the mean of its divisors is an integer number (117260657698470).

Almost surely, 2^{464778606877463} is an apocalyptic number.

464778606877463 is a deficient number, since it is larger than the sum of its proper divisors (4264023916417).

464778606877463 is a wasteful number, since it uses less digits than its factorization.

464778606877463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264023916416.

The product of its (nonzero) digits is 38236520448, while the sum is 83.

Subtracting from 464778606877463 its reverse (364778606877464), we obtain a palindrome (99999999999999).

The spelling of 464778606877463 in words is "four hundred sixty-four trillion, seven hundred seventy-eight billion, six hundred six million, eight hundred seventy-seven thousand, four hundred sixty-three".