47772589 has 2 divisors, whose sum is σ = 47772590. Its totient is φ = 47772588.

The previous prime is 47772553. The next prime is 47772607. The reversal of 47772589 is 98527774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 396900 = 6883^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 47772589 - 2¹⁵ = 47739821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47773589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886294 + 23886295.

It is an arithmetic number, because the mean of its divisors is an integer number (23886295).

Almost surely, 2^47772589 is an apocalyptic number.

It is an amenable number.

47772589 is a deficient number, since it is larger than the sum of its proper divisors (1).

47772589 is an equidigital number, since it uses as much as digits as its factorization.

47772589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 49.

The square root of 47772589 is about 6911.7717699588. The cubic root of 47772589 is about 362.8492747748.

The spelling of 47772589 in words is "forty-seven million, seven hundred seventy-two thousand, five hundred eighty-nine".