320776000071 has 16 divisors (see below), whose sum is σ = 428368647168. Its totient is φ = 213517274400.

The previous prime is 320776000037. The next prime is 320776000141. The reversal of 320776000071 is 170000677023.

It is a de Polignac number, because none of the positive numbers 2^k-320776000071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320775999996 and 320776000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320776001071) 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, 5016561 + ... + 5080101.

It is an arithmetic number, because the mean of its divisors is an integer number (26773040448).

Almost surely, 2^320776000071 is an apocalyptic number.

320776000071 is a deficient number, since it is larger than the sum of its proper divisors (107592647097).

320776000071 is a wasteful number, since it uses less digits than its factorization.

320776000071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66142.

The product of its (nonzero) digits is 12348, while the sum is 33.

Adding to 320776000071 its reverse (170000677023), we get a palindrome (490776677094).

The spelling of 320776000071 in words is "three hundred twenty billion, seven hundred seventy-six million, seventy-one", and thus it is an aban number.