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88657338881 is a prime number
BaseRepresentation
bin101001010010001100…
…0111010001000000001
322110211200102110022202
41102210120322020001
52423032234321011
6104421214242545
76256003642436
oct1224430721001
9273750373282
1088657338881
1134665835a01
12152231b6455
13848b8cb447
144410873b8d
15248d56123b
hex14a463a201

88657338881 has 2 divisors, whose sum is σ = 88657338882. Its totient is φ = 88657338880.

The previous prime is 88657338773. The next prime is 88657338901. The reversal of 88657338881 is 18883375688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46965824656 + 41691514225 = 216716^2 + 204185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88657338881 is a prime.

It is a super-2 number, since 2×886573388812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88657338181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44328669440 + 44328669441.

It is an arithmetic number, because the mean of its divisors is an integer number (44328669441).

Almost surely, 288657338881 is an apocalyptic number.

It is an amenable number.

88657338881 is a deficient number, since it is larger than the sum of its proper divisors (1).

88657338881 is an equidigital number, since it uses as much as digits as its factorization.

88657338881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61931520, while the sum is 65.

The spelling of 88657338881 in words is "eighty-eight billion, six hundred fifty-seven million, three hundred thirty-eight thousand, eight hundred eighty-one".