Search a number
-
+
87088061 is a prime number
BaseRepresentation
bin1010011000011…
…01101110111101
320001212112100202
411030031232331
5134243304221
612350333245
72105144024
oct514155675
9201775322
1087088061
1145182605
12251ba225
13150726c8
14b7cd8bb
1579a3d0b
hex530dbbd

87088061 has 2 divisors, whose sum is σ = 87088062. Its totient is φ = 87088060.

The previous prime is 87088037. The next prime is 87088081. The reversal of 87088061 is 16088078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 22992025 = 8006^2 + 4795^2 .

It is a cyclic number.

It is not a de Polignac number, because 87088061 - 218 = 86825917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87088031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43544030 + 43544031.

It is an arithmetic number, because the mean of its divisors is an integer number (43544031).

Almost surely, 287088061 is an apocalyptic number.

It is an amenable number.

87088061 is a deficient number, since it is larger than the sum of its proper divisors (1).

87088061 is an equidigital number, since it uses as much as digits as its factorization.

87088061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 87088061 is about 9332.0984242559. The cubic root of 87088061 is about 443.2542146233.

The spelling of 87088061 in words is "eighty-seven million, eighty-eight thousand, sixty-one".