47882986 has 4 divisors (see below), whose sum is σ = 71824482. Its totient is φ = 23941492.

The previous prime is 47882981. The next prime is 47882993. The reversal of 47882986 is 68928874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28249225 + 19633761 = 5315^2 + 4431^2 .

It is not an unprimeable number, because it can be changed into a prime (47882981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11970745 + ... + 11970748.

Almost surely, 2^47882986 is an apocalyptic number.

47882986 is a deficient number, since it is larger than the sum of its proper divisors (23941496).

47882986 is a wasteful number, since it uses less digits than its factorization.

47882986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23941495.

The product of its digits is 1548288, while the sum is 52.

The square root of 47882986 is about 6919.7533193026. The cubic root of 47882986 is about 363.1285608375.

The spelling of 47882986 in words is "forty-seven million, eight hundred eighty-two thousand, nine hundred eighty-six".