47978358 has 16 divisors (see below), whose sum is σ = 96035376. Its totient is φ = 15979680.

The previous prime is 47978347. The next prime is 47978377. The reversal of 47978358 is 85387974.

It is a self number, because there is not a number n which added to its sum of digits gives 47978358.

It is a congruent 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, 7260 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (6002211).

Almost surely, 2^47978358 is an apocalyptic number.

47978358 is an abundant number, since it is smaller than the sum of its proper divisors (48057018).

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

47978358 is a wasteful number, since it uses less digits than its factorization.

47978358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559.

The product of its digits is 1693440, while the sum is 51.

The square root of 47978358 is about 6926.6411773673. The cubic root of 47978358 is about 363.3694907390.

The spelling of 47978358 in words is "forty-seven million, nine hundred seventy-eight thousand, three hundred fifty-eight".