47878694 has 16 divisors (see below), whose sum is σ = 75863040. Its totient is φ = 22627080.

The previous prime is 47878673. The next prime is 47878697. The reversal of 47878694 is 49687874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6314 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (4741440).

Almost surely, 2^47878694 is an apocalyptic number.

47878694 is a deficient number, since it is larger than the sum of its proper divisors (27984346).

47878694 is a wasteful number, since it uses less digits than its factorization.

47878694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035.

The product of its digits is 2709504, while the sum is 53.

The square root of 47878694 is about 6919.4431856906. The cubic root of 47878694 is about 363.1177108156.

The spelling of 47878694 in words is "forty-seven million, eight hundred seventy-eight thousand, six hundred ninety-four".