47440577 has 2 divisors, whose sum is σ = 47440578. Its totient is φ = 47440576.

The previous prime is 47440573. The next prime is 47440619. The reversal of 47440577 is 77504474.

47440577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47348161 + 92416 = 6881^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 47440577 - 2² = 47440573 is a prime.

It is a Chen prime.

It is equal to p_2856575 and since 47440577 and 2856575 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47440577.

It is not a weakly prime, because it can be changed into another prime (47440573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23720288 + 23720289.

It is an arithmetic number, because the mean of its divisors is an integer number (23720289).

Almost surely, 2^47440577 is an apocalyptic number.

It is an amenable number.

47440577 is a deficient number, since it is larger than the sum of its proper divisors (1).

47440577 is an equidigital number, since it uses as much as digits as its factorization.

47440577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 47440577 is about 6887.7120294042. The cubic root of 47440577 is about 362.0067380694.

The spelling of 47440577 in words is "forty-seven million, four hundred forty thousand, five hundred seventy-seven".