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28623908376587 is a prime number
BaseRepresentation
bin1101000001000100001011…
…11001000001000000001011
310202100102022101112100000102
412200202011321001000023
512222433231021022322
6140513350400000015
76013003063523036
oct640420571010013
9122312271470012
1028623908376587
119136371066a87
12326360900000b
1312c82b8b61894
1470d59416a01d
15349890aac792
hex1a0885e4100b

28623908376587 has 2 divisors, whose sum is σ = 28623908376588. Its totient is φ = 28623908376586.

The previous prime is 28623908376571. The next prime is 28623908376601. The reversal of 28623908376587 is 78567380932682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28623908376587 - 24 = 28623908376571 is a prime.

It is not a weakly prime, because it can be changed into another prime (28623908376787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14311954188293 + 14311954188294.

It is an arithmetic number, because the mean of its divisors is an integer number (14311954188294).

Almost surely, 228623908376587 is an apocalyptic number.

28623908376587 is a deficient number, since it is larger than the sum of its proper divisors (1).

28623908376587 is an equidigital number, since it uses as much as digits as its factorization.

28623908376587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1463132160, while the sum is 74.

The spelling of 28623908376587 in words is "twenty-eight trillion, six hundred twenty-three billion, nine hundred eight million, three hundred seventy-six thousand, five hundred eighty-seven".