47800769 has 2 divisors, whose sum is σ = 47800770. Its totient is φ = 47800768.

The previous prime is 47800763. The next prime is 47800783. The reversal of 47800769 is 96700874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 20133169 = 5260^2 + 4487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47800769 is a prime.

It is a super-2 number, since 2×47800769² = 4569827033982722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47800763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23900384 + 23900385.

It is an arithmetic number, because the mean of its divisors is an integer number (23900385).

Almost surely, 2^47800769 is an apocalyptic number.

It is an amenable number.

47800769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47800769 is an equidigital number, since it uses as much as digits as its factorization.

47800769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 47800769 is about 6913.8100205314. The cubic root of 47800769 is about 362.9206063544.

The spelling of 47800769 in words is "forty-seven million, eight hundred thousand, seven hundred sixty-nine".