88521053389 has 2 divisors, whose sum is σ = 88521053390. Its totient is φ = 88521053388.

The previous prime is 88521053359. The next prime is 88521053417. The reversal of 88521053389 is 98335012588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83200518025 + 5320535364 = 288445^2 + 72942^2 .

It is a cyclic number.

It is not a de Polignac number, because 88521053389 - 2²¹ = 88518956237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88521053359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44260526694 + 44260526695.

It is an arithmetic number, because the mean of its divisors is an integer number (44260526695).

Almost surely, 2^88521053389 is an apocalyptic number.

It is an amenable number.

88521053389 is a deficient number, since it is larger than the sum of its proper divisors (1).

88521053389 is an equidigital number, since it uses as much as digits as its factorization.

88521053389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 88521053389 in words is "eighty-eight billion, five hundred twenty-one million, fifty-three thousand, three hundred eighty-nine".