47078278 has 16 divisors (see below), whose sum is σ = 76391280. Its totient is φ = 21630816.

The previous prime is 47078267. The next prime is 47078293. The reversal of 47078278 is 87287074.

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, 2001 + ... + 9907.

It is an arithmetic number, because the mean of its divisors is an integer number (4774455).

Almost surely, 2^47078278 is an apocalyptic number.

47078278 is a deficient number, since it is larger than the sum of its proper divisors (29313002).

47078278 is a wasteful number, since it uses less digits than its factorization.

47078278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 47078278 is about 6861.3612352069. The cubic root of 47078278 is about 361.0828456053.

The spelling of 47078278 in words is "forty-seven million, seventy-eight thousand, two hundred seventy-eight".