44442599977 has 2 divisors, whose sum is σ = 44442599978. Its totient is φ = 44442599976.

The previous prime is 44442599969. The next prime is 44442600053. The reversal of 44442599977 is 77999524444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40714764841 + 3727835136 = 201779^2 + 61056^2 .

It is a cyclic number.

It is not a de Polignac number, because 44442599977 - 2³ = 44442599969 is a prime.

It is not a weakly prime, because it can be changed into another prime (44442599917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22221299988 + 22221299989.

It is an arithmetic number, because the mean of its divisors is an integer number (22221299989).

Almost surely, 2^44442599977 is an apocalyptic number.

It is an amenable number.

44442599977 is a deficient number, since it is larger than the sum of its proper divisors (1).

44442599977 is an equidigital number, since it uses as much as digits as its factorization.

44442599977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 64.

The spelling of 44442599977 in words is "forty-four billion, four hundred forty-two million, five hundred ninety-nine thousand, nine hundred seventy-seven".