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88472779 is a prime number
BaseRepresentation
bin1010100010111…
…11110011001011
320011110212211121
411101133303023
5140122112104
612440140111
72123002063
oct521376313
9204425747
1088472779
1145a389aa
1225767637
1315438a75
14ba703a3
157b79254
hex545fccb

88472779 has 2 divisors, whose sum is σ = 88472780. Its totient is φ = 88472778.

The previous prime is 88472723. The next prime is 88472807. The reversal of 88472779 is 97727488.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88472779 - 219 = 87948491 is a prime.

It is not a weakly prime, because it can be changed into another prime (88473779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44236389 + 44236390.

It is an arithmetic number, because the mean of its divisors is an integer number (44236390).

Almost surely, 288472779 is an apocalyptic number.

88472779 is a deficient number, since it is larger than the sum of its proper divisors (1).

88472779 is an equidigital number, since it uses as much as digits as its factorization.

88472779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 52.

The square root of 88472779 is about 9405.9969700186. The cubic root of 88472779 is about 445.5911497151.

The spelling of 88472779 in words is "eighty-eight million, four hundred seventy-two thousand, seven hundred seventy-nine".