8220178308097 has 8 divisors (see below), whose sum is σ = 9399676969152. Its totient is φ = 7041976515600.

The previous prime is 8220178308053. The next prime is 8220178308113. The reversal of 8220178308097 is 7908038710228.

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

It is a cyclic number.

It is not a de Polignac number, because 8220178308097 - 2²⁷ = 8220044090369 is a prime.

It is a super-2 number, since 2×8220178308097² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8220178308197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324203554 + ... + 324228907.

It is an arithmetic number, because the mean of its divisors is an integer number (1174959621144).

Almost surely, 2^{8220178308097} is an apocalyptic number.

It is an amenable number.

8220178308097 is a deficient number, since it is larger than the sum of its proper divisors (1179498661055).

8220178308097 is a wasteful number, since it uses less digits than its factorization.

8220178308097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648434279.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 8220178308097 in words is "eight trillion, two hundred twenty billion, one hundred seventy-eight million, three hundred eight thousand, ninety-seven".