45779399 has 2 divisors, whose sum is σ = 45779400. Its totient is φ = 45779398.

The previous prime is 45779389. The next prime is 45779413. The reversal of 45779399 is 99397754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45779399 - 2⁸ = 45779143 is a prime.

It is a Sophie Germain prime.

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 45779399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45779369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22889699 + 22889700.

It is an arithmetic number, because the mean of its divisors is an integer number (22889700).

Almost surely, 2^45779399 is an apocalyptic number.

45779399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45779399 is an equidigital number, since it uses as much as digits as its factorization.

45779399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 53.

The square root of 45779399 is about 6766.0475168299. The cubic root of 45779399 is about 357.7310980733.

The spelling of 45779399 in words is "forty-five million, seven hundred seventy-nine thousand, three hundred ninety-nine".