Search a number
-
+
67608098897 is a prime number
BaseRepresentation
bin111110111101110000…
…011011100001010001
320110111201120021101212
4332331300123201101
52101430133131042
651020404105505
74612251234023
oct767560334121
9213451507355
1067608098897
11267440113a9
1211129995295
1364b5a36161
1433b50a4013
151b5a639482
hexfbdc1b851

67608098897 has 2 divisors, whose sum is σ = 67608098898. Its totient is φ = 67608098896.

The previous prime is 67608098849. The next prime is 67608098911. The reversal of 67608098897 is 79889080676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51751245121 + 15856853776 = 227489^2 + 125924^2 .

It is a cyclic number.

It is not a de Polignac number, because 67608098897 - 28 = 67608098641 is a prime.

It is not a weakly prime, because it can be changed into another prime (67608097897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33804049448 + 33804049449.

It is an arithmetic number, because the mean of its divisors is an integer number (33804049449).

Almost surely, 267608098897 is an apocalyptic number.

It is an amenable number.

67608098897 is a deficient number, since it is larger than the sum of its proper divisors (1).

67608098897 is an equidigital number, since it uses as much as digits as its factorization.

67608098897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 67608098897 in words is "sixty-seven billion, six hundred eight million, ninety-eight thousand, eight hundred ninety-seven".