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88068661 is a prime number
BaseRepresentation
bin1010011111111…
…01001000110101
320010201100111021
411033331020311
5140021144121
612423341141
72116366642
oct517751065
9203640437
1088068661
114579231a
12255b17b1
1315326b45
14b9a6dc9
157ae9641
hex53fd235

88068661 has 2 divisors, whose sum is σ = 88068662. Its totient is φ = 88068660.

The previous prime is 88068649. The next prime is 88068671. The reversal of 88068661 is 16686088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 25816561 = 7890^2 + 5081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88068661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88068611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44034330 + 44034331.

It is an arithmetic number, because the mean of its divisors is an integer number (44034331).

Almost surely, 288068661 is an apocalyptic number.

It is an amenable number.

88068661 is a deficient number, since it is larger than the sum of its proper divisors (1).

88068661 is an equidigital number, since it uses as much as digits as its factorization.

88068661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 88068661 is about 9384.4904496728. The cubic root of 88068661 is about 444.9116703865.

The spelling of 88068661 in words is "eighty-eight million, sixty-eight thousand, six hundred sixty-one".