47799769 has 2 divisors, whose sum is σ = 47799770. Its totient is φ = 47799768.

The previous prime is 47799751. The next prime is 47799779. The reversal of 47799769 is 96799774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 24025 = 6912^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 47799769 - 2⁷ = 47799641 is a prime.

It is a super-2 number, since 2×47799769² = 4569635832906722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47799779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23899884 + 23899885.

It is an arithmetic number, because the mean of its divisors is an integer number (23899885).

Almost surely, 2^47799769 is an apocalyptic number.

It is an amenable number.

47799769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47799769 is an equidigital number, since it uses as much as digits as its factorization.

47799769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6001128, while the sum is 58.

The square root of 47799769 is about 6913.7377011281. The cubic root of 47799769 is about 362.9180755504.

The spelling of 47799769 in words is "forty-seven million, seven hundred ninety-nine thousand, seven hundred sixty-nine".