46378565778 has 8 divisors (see below), whose sum is σ = 92757131568. Its totient is φ = 15459521924.

The previous prime is 46378565773. The next prime is 46378565789. The reversal of 46378565778 is 87756587364.

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

46378565778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46378565773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3864880476 + ... + 3864880487.

It is an arithmetic number, because the mean of its divisors is an integer number (11594641446).

Almost surely, 2^46378565778 is an apocalyptic number.

46378565778 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.

46378565778 is a wasteful number, since it uses less digits than its factorization.

46378565778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729760968.

The product of its digits is 237081600, while the sum is 66.

The spelling of 46378565778 in words is "forty-six billion, three hundred seventy-eight million, five hundred sixty-five thousand, seven hundred seventy-eight".