47801477 has 2 divisors, whose sum is σ = 47801478. Its totient is φ = 47801476.

The previous prime is 47801461. The next prime is 47801497. The reversal of 47801477 is 77410874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24462916 + 23338561 = 4946^2 + 4831^2 .

It is a cyclic number.

It is not a de Polignac number, because 47801477 - 2⁴ = 47801461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47801477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47801407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23900738 + 23900739.

It is an arithmetic number, because the mean of its divisors is an integer number (23900739).

Almost surely, 2^47801477 is an apocalyptic number.

It is an amenable number.

47801477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47801477 is an equidigital number, since it uses as much as digits as its factorization.

47801477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 47801477 is about 6913.8612222115. The cubic root of 47801477 is about 362.9223981423.

The spelling of 47801477 in words is "forty-seven million, eight hundred one thousand, four hundred seventy-seven".