47211678 has 48 divisors (see below), whose sum is σ = 105561456. Its totient is φ = 15240960.

The previous prime is 47211643. The next prime is 47211691. The reversal of 47211678 is 87611274.

47211678 is a `hidden beast` number, since 472 + 116 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139926 + ... + 140262.

It is an arithmetic number, because the mean of its divisors is an integer number (2199197).

Almost surely, 2^47211678 is an apocalyptic number.

47211678 is an abundant number, since it is smaller than the sum of its proper divisors (58349778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47211678 is a wasteful number, since it uses less digits than its factorization.

47211678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 47211678 is about 6871.0754616726. The cubic root of 47211678 is about 361.4235761840.

The spelling of 47211678 in words is "forty-seven million, two hundred eleven thousand, six hundred seventy-eight".