88347921553 has 2 divisors, whose sum is σ = 88347921554. Its totient is φ = 88347921552.

The previous prime is 88347921547. The next prime is 88347921577. The reversal of 88347921553 is 35512974388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77719961089 + 10627960464 = 278783^2 + 103092^2 .

It is a cyclic number.

It is not a de Polignac number, because 88347921553 - 2³³ = 79757986961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88347921494 and 88347921503.

It is not a weakly prime, because it can be changed into another prime (88347921583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44173960776 + 44173960777.

It is an arithmetic number, because the mean of its divisors is an integer number (44173960777).

Almost surely, 2^88347921553 is an apocalyptic number.

It is an amenable number.

88347921553 is a deficient number, since it is larger than the sum of its proper divisors (1).

88347921553 is an equidigital number, since it uses as much as digits as its factorization.

88347921553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 55.

The spelling of 88347921553 in words is "eighty-eight billion, three hundred forty-seven million, nine hundred twenty-one thousand, five hundred fifty-three".