47287678 has 16 divisors (see below), whose sum is σ = 75823776. Its totient is φ = 22063360.

The previous prime is 47287657. The next prime is 47287697. The reversal of 47287678 is 87678274.

It is a happy number.

It is a super-2 number, since 2×47287678² = 4472248981263368, which contains 22 as substring.

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, 10651 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (4738986).

Almost surely, 2^47287678 is an apocalyptic number.

47287678 is a deficient number, since it is larger than the sum of its proper divisors (28536098).

47287678 is a wasteful number, since it uses less digits than its factorization.

47287678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25139.

The product of its digits is 1053696, while the sum is 49.

The square root of 47287678 is about 6876.6036675091. The cubic root of 47287678 is about 361.6174086350.

The spelling of 47287678 in words is "forty-seven million, two hundred eighty-seven thousand, six hundred seventy-eight".