47884957 has 2 divisors, whose sum is σ = 47884958. Its totient is φ = 47884956.

The previous prime is 47884951. The next prime is 47884979. The reversal of 47884957 is 75948874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 17480761 = 5514^2 + 4181^2 .

It is a cyclic number.

It is not a de Polignac number, because 47884957 - 2¹¹ = 47882909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47884951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23942478 + 23942479.

It is an arithmetic number, because the mean of its divisors is an integer number (23942479).

Almost surely, 2^47884957 is an apocalyptic number.

It is an amenable number.

47884957 is a deficient number, since it is larger than the sum of its proper divisors (1).

47884957 is an equidigital number, since it uses as much as digits as its factorization.

47884957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 52.

The square root of 47884957 is about 6919.8957362087. The cubic root of 47884957 is about 363.1335432376.

It can be divided in two parts, 47884 and 957, that added together give a square (48841 = 221²).

The spelling of 47884957 in words is "forty-seven million, eight hundred eighty-four thousand, nine hundred fifty-seven".