47807801 has 2 divisors, whose sum is σ = 47807802. Its totient is φ = 47807800.

The previous prime is 47807729. The next prime is 47807807. The reversal of 47807801 is 10870874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47596201 + 211600 = 6899^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 47807801 - 2¹⁰ = 47806777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47807807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23903900 + 23903901.

It is an arithmetic number, because the mean of its divisors is an integer number (23903901).

Almost surely, 2^47807801 is an apocalyptic number.

It is an amenable number.

47807801 is a deficient number, since it is larger than the sum of its proper divisors (1).

47807801 is an equidigital number, since it uses as much as digits as its factorization.

47807801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 47807801 is about 6914.3185492137. The cubic root of 47807801 is about 362.9384019717.

The spelling of 47807801 in words is "forty-seven million, eight hundred seven thousand, eight hundred one".