84860888069 has 2 divisors, whose sum is σ = 84860888070. Its totient is φ = 84860888068.

The previous prime is 84860888059. The next prime is 84860888111. The reversal of 84860888069 is 96088806848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42461959969 + 42398928100 = 206063^2 + 205910^2 .

It is a cyclic number.

It is not a de Polignac number, because 84860888069 - 2⁴ = 84860888053 is a prime.

It is a super-3 number, since 3×84860888069³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 84860887996 and 84860888014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84860888009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42430444034 + 42430444035.

It is an arithmetic number, because the mean of its divisors is an integer number (42430444035).

Almost surely, 2^84860888069 is an apocalyptic number.

It is an amenable number.

84860888069 is a deficient number, since it is larger than the sum of its proper divisors (1).

84860888069 is an equidigital number, since it uses as much as digits as its factorization.

84860888069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42467328, while the sum is 65.

The spelling of 84860888069 in words is "eighty-four billion, eight hundred sixty million, eight hundred eighty-eight thousand, sixty-nine".