44780899 has 2 divisors, whose sum is σ = 44780900. Its totient is φ = 44780898.

The previous prime is 44780887. The next prime is 44780903. The reversal of 44780899 is 99808744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44780899 - 2⁵ = 44780867 is a prime.

It is not a weakly prime, because it can be changed into another prime (44780819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22390449 + 22390450.

It is an arithmetic number, because the mean of its divisors is an integer number (22390450).

Almost surely, 2^44780899 is an apocalyptic number.

44780899 is a deficient number, since it is larger than the sum of its proper divisors (1).

44780899 is an equidigital number, since it uses as much as digits as its factorization.

44780899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 44780899 is about 6691.8531812944. The cubic root of 44780899 is about 355.1111177647. Note that the first 5 decimals are identical.

The spelling of 44780899 in words is "forty-four million, seven hundred eighty thousand, eight hundred ninety-nine".