464834778 has 8 divisors (see below), whose sum is σ = 929669568. Its totient is φ = 154944924.

The previous prime is 464834771. The next prime is 464834809. The reversal of 464834778 is 877438464.

It is a happy number.

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

464834778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 464834778.

It is not an unprimeable number, because it can be changed into a prime (464834771) 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, 38736226 + ... + 38736237.

It is an arithmetic number, because the mean of its divisors is an integer number (116208696).

Almost surely, 2^464834778 is an apocalyptic number.

464834778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464834778 is a wasteful number, since it uses less digits than its factorization.

464834778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77472468.

The product of its digits is 3612672, while the sum is 51.

The square root of 464834778 is about 21560.0273190922. The cubic root of 464834778 is about 774.6393204791.

The spelling of 464834778 in words is "four hundred sixty-four million, eight hundred thirty-four thousand, seven hundred seventy-eight".