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88421077 is a prime number
BaseRepresentation
bin1010100010100…
…11001011010101
320011101020220201
411101103023111
5140113433302
612435100501
72122365253
oct521231325
9204336821
1088421077
1145a03078
1225741731
131541b384
14ba595d3
157b68c87
hex54532d5

88421077 has 2 divisors, whose sum is σ = 88421078. Its totient is φ = 88421076.

The previous prime is 88421059. The next prime is 88421093. The reversal of 88421077 is 77012488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57851236 + 30569841 = 7606^2 + 5529^2 .

It is a cyclic number.

It is not a de Polignac number, because 88421077 - 215 = 88388309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88721077) 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, 44210538 + 44210539.

It is an arithmetic number, because the mean of its divisors is an integer number (44210539).

Almost surely, 288421077 is an apocalyptic number.

It is an amenable number.

88421077 is a deficient number, since it is larger than the sum of its proper divisors (1).

88421077 is an equidigital number, since it uses as much as digits as its factorization.

88421077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 88421077 is about 9403.2482153775. The cubic root of 88421077 is about 445.5043341507.

The spelling of 88421077 in words is "eighty-eight million, four hundred twenty-one thousand, seventy-seven".