Search a number
-
+
85520087027 is a prime number
BaseRepresentation
bin100111110100101100…
…1001111011111110011
322011202001010112211122
41033221121033133303
52400121120241102
6103142024132455
76115160513534
oct1175131173763
9264661115748
1085520087027
11332a5950181
12146a860712b
1380ab95c6bb
1441d3d4068b
152357e0a0a2
hex13e964f7f3

85520087027 has 2 divisors, whose sum is σ = 85520087028. Its totient is φ = 85520087026.

The previous prime is 85520086961. The next prime is 85520087039. The reversal of 85520087027 is 72078002558.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85520087027 is a prime.

It is not a weakly prime, because it can be changed into another prime (85520087827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42760043513 + 42760043514.

It is an arithmetic number, because the mean of its divisors is an integer number (42760043514).

Almost surely, 285520087027 is an apocalyptic number.

85520087027 is a deficient number, since it is larger than the sum of its proper divisors (1).

85520087027 is an equidigital number, since it uses as much as digits as its factorization.

85520087027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 85520087027 in words is "eighty-five billion, five hundred twenty million, eighty-seven thousand, twenty-seven".