47193278 has 16 divisors (see below), whose sum is σ = 79313904. Its totient is φ = 20871360.

The previous prime is 47193277. The next prime is 47193281. The reversal of 47193278 is 87239174.

47193278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47193277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28175 + ... + 29802.

It is an arithmetic number, because the mean of its divisors is an integer number (4957119).

Almost surely, 2^47193278 is an apocalyptic number.

47193278 is a deficient number, since it is larger than the sum of its proper divisors (32120626).

47193278 is a wasteful number, since it uses less digits than its factorization.

47193278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58027.

The product of its digits is 84672, while the sum is 41.

The square root of 47193278 is about 6869.7363850442. The cubic root of 47193278 is about 361.3766170544.

It can be divided in two parts, 4719 and 3278, that added together give a palindrome (7997).

The spelling of 47193278 in words is "forty-seven million, one hundred ninety-three thousand, two hundred seventy-eight".