84555369321 has 8 divisors (see below), whose sum is σ = 115490260704. Its totient is φ = 54995362080.

The previous prime is 84555369319. The next prime is 84555369323. The reversal of 84555369321 is 12396355548.

It is an interprime number because it is at equal distance from previous prime (84555369319) and next prime (84555369323).

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

It is not a de Polignac number, because 84555369321 - 2¹ = 84555369319 is a prime.

It is a super-2 number, since 2×84555369321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84555369323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343720891 + ... + 343721136.

It is an arithmetic number, because the mean of its divisors is an integer number (14436282588).

Almost surely, 2^84555369321 is an apocalyptic number.

It is an amenable number.

84555369321 is a deficient number, since it is larger than the sum of its proper divisors (30934891383).

84555369321 is a wasteful number, since it uses less digits than its factorization.

84555369321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687442071.

The product of its digits is 3888000, while the sum is 51.

The spelling of 84555369321 in words is "eighty-four billion, five hundred fifty-five million, three hundred sixty-nine thousand, three hundred twenty-one".