8220655987102 has 8 divisors (see below), whose sum is σ = 13279521209976. Its totient is φ = 3794148917112.

The previous prime is 8220655987087. The next prime is 8220655987111. The reversal of 8220655987102 is 2017895560228.

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

It is a super-3 number, since 3×8220655987102³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 158089538188 + ... + 158089538239.

It is an arithmetic number, because the mean of its divisors is an integer number (1659940151247).

Almost surely, 2^{8220655987102} is an apocalyptic number.

8220655987102 is a deficient number, since it is larger than the sum of its proper divisors (5058865222874).

8220655987102 is a wasteful number, since it uses less digits than its factorization.

8220655987102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316179076442.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 8220655987102 in words is "eight trillion, two hundred twenty billion, six hundred fifty-five million, nine hundred eighty-seven thousand, one hundred two".