320527406797 has 16 divisors (see below), whose sum is σ = 366753003120. Its totient is φ = 278467193856.

The previous prime is 320527406767. The next prime is 320527406851. The reversal of 320527406797 is 797604725023.

It can be written as a sum of positive squares in 8 ways, for example, as 23097636 + 320504309161 = 4806^2 + 566131^2 .

It is not a de Polignac number, because 320527406797 - 2¹¹ = 320527404749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320527406737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2445388 + ... + 2573125.

It is an arithmetic number, because the mean of its divisors is an integer number (22922062695).

Almost surely, 2^320527406797 is an apocalyptic number.

It is an amenable number.

320527406797 is a deficient number, since it is larger than the sum of its proper divisors (46225596323).

320527406797 is an equidigital number, since it uses as much as digits as its factorization.

320527406797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018577 (or 5018543 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 320527406797 in words is "three hundred twenty billion, five hundred twenty-seven million, four hundred six thousand, seven hundred ninety-seven".