47983378 has 8 divisors (see below), whose sum is σ = 72717372. Its totient is φ = 23744256.

The previous prime is 47983361. The next prime is 47983409. The reversal of 47983378 is 87338974.

It can be written as a sum of positive squares in 2 ways, for example, as 47983329 + 49 = 6927^2 + 7^2 .

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

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, 123475 + ... + 123862.

Almost surely, 2^47983378 is an apocalyptic number.

47983378 is a deficient number, since it is larger than the sum of its proper divisors (24733994).

47983378 is a wasteful number, since it uses less digits than its factorization.

47983378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247436.

The product of its digits is 1016064, while the sum is 49.

The square root of 47983378 is about 6927.0035368838. The cubic root of 47983378 is about 363.3821634752.

Subtracting from 47983378 its sum of digits (49), we obtain a square (47983329 = 6927²).

The spelling of 47983378 in words is "forty-seven million, nine hundred eighty-three thousand, three hundred seventy-eight".