84187914481 has 16 divisors (see below), whose sum is σ = 94141698048. Its totient is φ = 74629544400.

The previous prime is 84187914469. The next prime is 84187914493. The reversal of 84187914481 is 18441978148.

It is an interprime number because it is at equal distance from previous prime (84187914469) and next prime (84187914493).

It is a cyclic number.

It is not a de Polignac number, because 84187914481 - 2⁵ = 84187914449 is a prime.

It is a super-2 number, since 2×84187914481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84187914431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160335 + ... + 440548.

It is an arithmetic number, because the mean of its divisors is an integer number (5883856128).

Almost surely, 2^84187914481 is an apocalyptic number.

It is an amenable number.

84187914481 is a deficient number, since it is larger than the sum of its proper divisors (9953783567).

84187914481 is a wasteful number, since it uses less digits than its factorization.

84187914481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601212.

The product of its digits is 2064384, while the sum is 55.

The spelling of 84187914481 in words is "eighty-four billion, one hundred eighty-seven million, nine hundred fourteen thousand, four hundred eighty-one".