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88780487 is a prime number
BaseRepresentation
bin1010100101010…
…10111011000111
320012001111221012
411102222323013
5140211433422
612450512435
72125423145
oct522527307
9205044835
1088780487
1146129104
122589571b
1315515b43
14bb10595
157bda4e2
hex54aaec7

88780487 has 2 divisors, whose sum is σ = 88780488. Its totient is φ = 88780486.

The previous prime is 88780453. The next prime is 88780499. The reversal of 88780487 is 78408788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88780487 - 210 = 88779463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88780387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44390243 + 44390244.

It is an arithmetic number, because the mean of its divisors is an integer number (44390244).

Almost surely, 288780487 is an apocalyptic number.

88780487 is a deficient number, since it is larger than the sum of its proper divisors (1).

88780487 is an equidigital number, since it uses as much as digits as its factorization.

88780487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 802816, while the sum is 50.

The square root of 88780487 is about 9422.3397837268. The cubic root of 88780487 is about 446.1071400991.

The spelling of 88780487 in words is "eighty-eight million, seven hundred eighty thousand, four hundred eighty-seven".