47409878 has 8 divisors (see below), whose sum is σ = 72456768. Its totient is φ = 23257624.

The previous prime is 47409853. The next prime is 47409893. The reversal of 47409878 is 87890474.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223526 + ... + 223737.

It is an arithmetic number, because the mean of its divisors is an integer number (9057096).

Almost surely, 2^47409878 is an apocalyptic number.

47409878 is a deficient number, since it is larger than the sum of its proper divisors (25046890).

47409878 is a wasteful number, since it uses less digits than its factorization.

47409878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447318.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 47409878 is about 6885.4831348279. The cubic root of 47409878 is about 361.9286358514.

The spelling of 47409878 in words is "forty-seven million, four hundred nine thousand, eight hundred seventy-eight".