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478879 is a prime number
BaseRepresentation
bin1110100111010011111
3220022220021
41310322133
5110311004
614133011
74033102
oct1647237
9808807
10478879
112a7875
121b1167
13139c7b
14c6739
1596d54
hex74e9f

478879 has 2 divisors, whose sum is σ = 478880. Its totient is φ = 478878.

The previous prime is 478871. The next prime is 478897. The reversal of 478879 is 978874.

Together with next prime (478897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478879 - 23 = 478871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478871) 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, 239439 + 239440.

It is an arithmetic number, because the mean of its divisors is an integer number (239440).

2478879 is an apocalyptic number.

478879 is a deficient number, since it is larger than the sum of its proper divisors (1).

478879 is an equidigital number, since it uses as much as digits as its factorization.

478879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 478879 is about 692.0108380654. The cubic root of 478879 is about 78.2363529978.

The spelling of 478879 in words is "four hundred seventy-eight thousand, eight hundred seventy-nine".