445797897 has 8 divisors (see below), whose sum is σ = 601558944. Its totient is φ = 293617728.

The previous prime is 445797841. The next prime is 445797907. The reversal of 445797897 is 798797544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445797897 - 2¹⁰ = 445796873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445797897.

It is not an unprimeable number, because it can be changed into a prime (445797827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894928 + ... + 895425.

It is an arithmetic number, because the mean of its divisors is an integer number (75194868).

Almost surely, 2^445797897 is an apocalyptic number.

It is an amenable number.

445797897 is a deficient number, since it is larger than the sum of its proper divisors (155761047).

445797897 is a wasteful number, since it uses less digits than its factorization.

445797897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790439.

The product of its digits is 17781120, while the sum is 60.

The square root of 445797897 is about 21113.9266125465. The cubic root of 445797897 is about 763.9167015577.

The spelling of 445797897 in words is "four hundred forty-five million, seven hundred ninety-seven thousand, eight hundred ninety-seven".