88828370890409 has 2 divisors, whose sum is σ = 88828370890410. Its totient is φ = 88828370890408.

The previous prime is 88828370890381. The next prime is 88828370890421. The reversal of 88828370890409 is 90409807382888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60162283909225 + 28666086981184 = 7756435^2 + 5354072^2 .

It is a cyclic number.

It is not a de Polignac number, because 88828370890409 - 2⁸ = 88828370890153 is a prime.

It is not a weakly prime, because it can be changed into another prime (88828370890009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44414185445204 + 44414185445205.

It is an arithmetic number, because the mean of its divisors is an integer number (44414185445205).

Almost surely, 2^{88828370890409} is an apocalyptic number.

It is an amenable number.

88828370890409 is a deficient number, since it is larger than the sum of its proper divisors (1).

88828370890409 is an equidigital number, since it uses as much as digits as its factorization.

88828370890409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 445906944, while the sum is 74.

The spelling of 88828370890409 in words is "eighty-eight trillion, eight hundred twenty-eight billion, three hundred seventy million, eight hundred ninety thousand, four hundred nine".