445346197677 has 24 divisors (see below), whose sum is σ = 660731222424. Its totient is φ = 288843698304.

The previous prime is 445346197661. The next prime is 445346197753. The reversal of 445346197677 is 776791643544.

It is a happy number.

445346197677 is a `hidden beast` number, since 4 + 4 + 5 + 3 + 4 + 619 + 7 + 6 + 7 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 189491313636 + 255854884041 = 435306^2 + 505821^2 .

It is not a de Polignac number, because 445346197677 - 2⁴ = 445346197661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445346197577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3471123 + ... + 3597135.

It is an arithmetic number, because the mean of its divisors is an integer number (27530467601).

Almost surely, 2^445346197677 is an apocalyptic number.

It is an amenable number.

445346197677 is a deficient number, since it is larger than the sum of its proper divisors (215385024747).

445346197677 is a wasteful number, since it uses less digits than its factorization.

445346197677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136669 (or 136666 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 445346197677 in words is "four hundred forty-five billion, three hundred forty-six million, one hundred ninety-seven thousand, six hundred seventy-seven".