464778606877465 has 8 divisors (see below), whose sum is σ = 557734466058048. Its totient is φ = 371822793631920.

The previous prime is 464778606877451. The next prime is 464778606877549. The reversal of 464778606877465 is 564778606877464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-464778606877465 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17364244 + ... + 35086666.

It is an arithmetic number, because the mean of its divisors is an integer number (69716808257256).

Almost surely, 2^{464778606877465} is an apocalyptic number.

It is an amenable number.

464778606877465 is a deficient number, since it is larger than the sum of its proper divisors (92955859180583).

464778606877465 is a wasteful number, since it uses less digits than its factorization.

464778606877465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22967519.

The product of its (nonzero) digits is 63727534080, while the sum is 85.

Subtracting 464778606877465 from its reverse (564778606877464), we obtain a palindrome (99999999999999).

The spelling of 464778606877465 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-five".