46878666 has 8 divisors (see below), whose sum is σ = 93757344. Its totient is φ = 15626220.

The previous prime is 46878661. The next prime is 46878677. The reversal of 46878666 is 66687864.

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

46878666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46878661) 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, 3906550 + ... + 3906561.

It is an arithmetic number, because the mean of its divisors is an integer number (11719668).

Almost surely, 2^46878666 is an apocalyptic number.

46878666 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.

46878666 is a wasteful number, since it uses less digits than its factorization.

46878666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813116.

The product of its digits is 2322432, while the sum is 51.

The square root of 46878666 is about 6846.7996903663. The cubic root of 46878666 is about 360.5717919530.

The spelling of 46878666 in words is "forty-six million, eight hundred seventy-eight thousand, six hundred sixty-six".