47878822 has 16 divisors (see below), whose sum is σ = 77027760. Its totient is φ = 22250592.

The previous prime is 47878813. The next prime is 47878867. The reversal of 47878822 is 22887874.

47878822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47878822² = 4584763192215368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 9873 + ... + 13900.

It is an arithmetic number, because the mean of its divisors is an integer number (4814235).

Almost surely, 2^47878822 is an apocalyptic number.

47878822 is a deficient number, since it is larger than the sum of its proper divisors (29148938).

47878822 is a wasteful number, since it uses less digits than its factorization.

47878822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23847.

The product of its digits is 401408, while the sum is 46.

The square root of 47878822 is about 6919.4524349836. The cubic root of 47878822 is about 363.1180344043.

The spelling of 47878822 in words is "forty-seven million, eight hundred seventy-eight thousand, eight hundred twenty-two".