47893477 has 2 divisors, whose sum is σ = 47893478. Its totient is φ = 47893476.

The previous prime is 47893457. The next prime is 47893499. The reversal of 47893477 is 77439874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47251876 + 641601 = 6874^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 47893477 - 2¹¹ = 47891429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47893477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47893457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23946738 + 23946739.

It is an arithmetic number, because the mean of its divisors is an integer number (23946739).

Almost surely, 2^47893477 is an apocalyptic number.

It is an amenable number.

47893477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47893477 is an equidigital number, since it uses as much as digits as its factorization.

47893477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 47893477 is about 6920.5113250395. The cubic root of 47893477 is about 363.1550789801.

The spelling of 47893477 in words is "forty-seven million, eight hundred ninety-three thousand, four hundred seventy-seven".