445904234077 has 2 divisors, whose sum is σ = 445904234078. Its totient is φ = 445904234076.

The previous prime is 445904234033. The next prime is 445904234177. The reversal of 445904234077 is 770432409544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362782154596 + 83122079481 = 602314^2 + 288309^2 .

It is a cyclic number.

It is not a de Polignac number, because 445904234077 - 2¹⁹ = 445903709789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445904234077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445904234177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222952117038 + 222952117039.

It is an arithmetic number, because the mean of its divisors is an integer number (222952117039).

Almost surely, 2^445904234077 is an apocalyptic number.

It is an amenable number.

445904234077 is a deficient number, since it is larger than the sum of its proper divisors (1).

445904234077 is an equidigital number, since it uses as much as digits as its factorization.

445904234077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 445904234077 in words is "four hundred forty-five billion, nine hundred four million, two hundred thirty-four thousand, seventy-seven".