47986378 has 16 divisors (see below), whose sum is σ = 79247520. Its totient is φ = 21610800.

The previous prime is 47986363. The next prime is 47986399. The reversal of 47986378 is 87368974.

It is a happy 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, 7608 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (4952970).

Almost surely, 2^47986378 is an apocalyptic number.

47986378 is a deficient number, since it is larger than the sum of its proper divisors (31261142).

47986378 is a wasteful number, since it uses less digits than its factorization.

47986378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20133.

The product of its digits is 2032128, while the sum is 52.

The square root of 47986378 is about 6927.2200773470. The cubic root of 47986378 is about 363.3897364017.

The spelling of 47986378 in words is "forty-seven million, nine hundred eighty-six thousand, three hundred seventy-eight".