84111278810321 has 8 divisors (see below), whose sum is σ = 96210547150464. Its totient is φ = 72032853312000.

The previous prime is 84111278810267. The next prime is 84111278810323. The reversal of 84111278810321 is 12301887211148.

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

It is not a de Polignac number, because 84111278810321 - 2¹⁴ = 84111278793937 is a prime.

It is a super-2 number, since 2×84111278810321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84111278810323) 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, 5210701805 + ... + 5210717946.

It is an arithmetic number, because the mean of its divisors is an integer number (12026318393808).

Almost surely, 2^{84111278810321} is an apocalyptic number.

It is an amenable number.

84111278810321 is a deficient number, since it is larger than the sum of its proper divisors (12099268340143).

84111278810321 is a wasteful number, since it uses less digits than its factorization.

84111278810321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421420911.

The product of its (nonzero) digits is 172032, while the sum is 47.

The spelling of 84111278810321 in words is "eighty-four trillion, one hundred eleven billion, two hundred seventy-eight million, eight hundred ten thousand, three hundred twenty-one".