Search a number
-
+
88694891 is a prime number
BaseRepresentation
bin1010100100101…
…10000001101011
320011220011111222
411102112001223
5140201214031
612445012255
72124615455
oct522260153
9204804458
1088694891
114607a86a
122585408b
13154b5bac
14bacb2d5
157bbee7b
hex549606b

88694891 has 2 divisors, whose sum is σ = 88694892. Its totient is φ = 88694890.

The previous prime is 88694873. The next prime is 88694911. The reversal of 88694891 is 19849688.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88694891 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88694821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44347445 + 44347446.

It is an arithmetic number, because the mean of its divisors is an integer number (44347446).

Almost surely, 288694891 is an apocalyptic number.

88694891 is a deficient number, since it is larger than the sum of its proper divisors (1).

88694891 is an equidigital number, since it uses as much as digits as its factorization.

88694891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 53.

The square root of 88694891 is about 9417.7965044908. The cubic root of 88694891 is about 445.9637254577.

The spelling of 88694891 in words is "eighty-eight million, six hundred ninety-four thousand, eight hundred ninety-one".