84880260401 has 2 divisors, whose sum is σ = 84880260402. Its totient is φ = 84880260400.

The previous prime is 84880260397. The next prime is 84880260469. The reversal of 84880260401 is 10406208848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53430784801 + 31449475600 = 231151^2 + 177340^2 .

It is a cyclic number.

It is not a de Polignac number, because 84880260401 - 2² = 84880260397 is a prime.

It is not a weakly prime, because it can be changed into another prime (84880260481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42440130200 + 42440130201.

It is an arithmetic number, because the mean of its divisors is an integer number (42440130201).

Almost surely, 2^84880260401 is an apocalyptic number.

It is an amenable number.

84880260401 is a deficient number, since it is larger than the sum of its proper divisors (1).

84880260401 is an equidigital number, since it uses as much as digits as its factorization.

84880260401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 84880260401 in words is "eighty-four billion, eight hundred eighty million, two hundred sixty thousand, four hundred one".