8220075145097 has 4 divisors (see below), whose sum is σ = 8224025207316. Its totient is φ = 8216125082880.

The previous prime is 8220075145063. The next prime is 8220075145133. The reversal of 8220075145097 is 7905415700228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4170727879696 + 4049347265401 = 2042236^2 + 2012299^2 .

It is a cyclic number.

It is not a de Polignac number, because 8220075145097 - 2¹⁶ = 8220075079561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8220075145057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975027988 + ... + 1975032149.

It is an arithmetic number, because the mean of its divisors is an integer number (2056006301829).

Almost surely, 2^{8220075145097} is an apocalyptic number.

It is an amenable number.

8220075145097 is a deficient number, since it is larger than the sum of its proper divisors (3950062219).

8220075145097 is a wasteful number, since it uses less digits than its factorization.

8220075145097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950062218.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 8220075145097 in words is "eight trillion, two hundred twenty billion, seventy-five million, one hundred forty-five thousand, ninety-seven".