47968135 has 16 divisors (see below), whose sum is σ = 61149600. Its totient is φ = 35997696.

The previous prime is 47968099. The next prime is 47968157. The reversal of 47968135 is 53186974.

It is a cyclic number.

It is not a de Polignac number, because 47968135 - 2²¹ = 45870983 is a prime.

Its product of digits (181440) is a multiple of the sum of its prime divisors (1890).

It is a junction number, because it is equal to n+sod(n) for n = 47968091 and 47968100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31471 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (3821850).

Almost surely, 2^47968135 is an apocalyptic number.

47968135 is a deficient number, since it is larger than the sum of its proper divisors (13181465).

47968135 is a wasteful number, since it uses less digits than its factorization.

47968135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890.

The product of its digits is 181440, while the sum is 43.

The square root of 47968135 is about 6925.9031901984. The cubic root of 47968135 is about 363.3436805590.

The spelling of 47968135 in words is "forty-seven million, nine hundred sixty-eight thousand, one hundred thirty-five".