45777869 has 2 divisors, whose sum is σ = 45777870. Its totient is φ = 45777868.

The previous prime is 45777857. The next prime is 45777871. The reversal of 45777869 is 96877754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36747844 + 9030025 = 6062^2 + 3005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45777869 is a prime.

It is a super-2 number, since 2×45777869² = 4191226580362322, which contains 22 as substring.

Together with 45777871, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45777869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45777829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22888934 + 22888935.

It is an arithmetic number, because the mean of its divisors is an integer number (22888935).

Almost surely, 2^45777869 is an apocalyptic number.

It is an amenable number.

45777869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45777869 is an equidigital number, since it uses as much as digits as its factorization.

45777869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 53.

The square root of 45777869 is about 6765.9344513526. The cubic root of 45777869 is about 357.7271127677.

The spelling of 45777869 in words is "forty-five million, seven hundred seventy-seven thousand, eight hundred sixty-nine".