84355866855348 has 96 divisors (see below), whose sum is σ = 222136693954560. Its totient is φ = 24679989882240.

The previous prime is 84355866855343. The next prime is 84355866855419.

It is a happy number.

84355866855348 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×84355866855348² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84355866855343) 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 31 ways as a sum of consecutive naturals, for example, 104358265 + ... + 105163487.

It is an arithmetic number, because the mean of its divisors is an integer number (2313923895360).

Almost surely, 2^{84355866855348} is an apocalyptic number.

It is an amenable number.

84355866855348 is an abundant number, since it is smaller than the sum of its proper divisors (137780827099212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84355866855348 is a wasteful number, since it uses less digits than its factorization.

84355866855348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832637 (or 832635 counting only the distinct ones).

The product of its digits is 13271040000, while the sum is 78.

The spelling of 84355866855348 in words is "eighty-four trillion, three hundred fifty-five billion, eight hundred sixty-six million, eight hundred fifty-five thousand, three hundred forty-eight".